Domain Intelligence
Last Updated:
Rrt.net
Safe to Send
Rrt.net is operated by Reservation Telephone Cooperative. The domain runs 1 mail exchange and SMTP is responsive, with all three authentication standards in force.
Safe to Send
RISK
10
/100
Low
Verify Mailbox
Verify @rrt.net emails
Live SMTP handshake against rrt.net mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
The risk score saves my team probably an hour a day in manual prospect research. We sort outreach lists by it and skip anything in the high-risk band. Bounce rate is the lowest it's ever been. Lisa Fonseca · SDR Team Lead
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
1
Mail exchangers
Mail Exchange (MX) Records for rrt.net Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#10
mx.redriver.ispn.net 64.35.208.58
Reachable
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
Responsive
BANNER220-redriver.ispn.net ESMTP Postfix
Primary mail server accepted SMTP connection and returned a banner during the live audit.
rrt.net Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 ip4:64.35.208.0/24 ip6:2607:5800::/32 ip4:66.234.112.0/24 a -all
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Reject
TXTv=DMARC1; p=reject; rua=mailto:dmarc@rrt.net
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
rrt.net Domain Registration WHOIS · Nameservers · Registrar
RegistrarNetwork Solutions, LLC
IANA ID2
RegisteredSeptember 1, 1998
Last UpdatedJuly 2, 2024
ExpiresAugust 31, 2029
Age27 years
TLD.net
Authoritative Nameservers (2)
- NS1.RRT.NET
- NS2.RRT.NET
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
About this Domain
About rrt.net
rrt.net is the email domain for a regional internet and telecommunications service provider in the United States. The domain provides email accounts associated with broadband internet connectivity to local community subscribers.
rrt.net supports SPF records for sender authentication. DKIM and DMARC configurations follow standard regional US ISP practices. Proper authentication alignment is recommended for delivery.
The rrt.net mail servers validate recipients during SMTP sessions and apply standard anti-spam filtering including reputation evaluation and content analysis.
For delivery to rrt.net, authenticate with SPF and DKIM, maintain clean lists, and comply with CAN-SPAM. As a small regional provider, maintain very low complaint rates.
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Common Questions About rrt.net
Is rrt.net a disposable or temporary email provider?
No. rrt.net is not a disposable email provider. It is classified as ISP Email Provider operated by Reservation Telephone Cooperative and addresses on rrt.net are persistent rather than throwaway. Mail sent to a valid rrt.net mailbox reaches a real recipient.
How do I verify if a rrt.net email address is valid?
The fastest way to verify a rrt.net email address is to use our free email checker. Enter any @rrt.net mailbox at the top of this page and our system performs a real-time SMTP handshake against rrt.net's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a rrt.net email exists without sending a message?
Yes. Our real-time email verification API connects directly to rrt.net's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the rrt.net mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for rrt.net?
rrt.net currently publishes 1 mail exchange (MX) record. The primary MX is mx.redriver.ispn.net, which is the first server contacted when other mail systems try to deliver email to a rrt.net address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for rrt.net.
Does rrt.net use SPF, DKIM, and DMARC email authentication?
rrt.net enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: reject). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @rrt.net is genuine, and rrt.net's DMARC policy of 'reject' instructs receivers how to handle messages that fail those checks.
Why do emails to rrt.net bounce or get blocked?
Bounces from rrt.net usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to rrt.net's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so rrt.net's receivers trust you.
How can I verify a large list of rrt.net email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of rrt.net addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, rrt.net catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from rrt.net email addresses?
Yes, with normal hygiene. rrt.net is a legitimate email service and signups from @rrt.net behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block rrt.net by default.
What email format does rrt.net use for usernames?
Most rrt.net mailboxes follow common patterns like first.last@rrt.net, firstinitiallast@rrt.net, or first@rrt.net, but the actual local-part rules depend on Reservation Telephone Cooperative. The only reliable way to confirm whether a specific @rrt.net address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the rrt.net risk score calculated?
The 0-to-100 risk score for rrt.net combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The rrt.net score is recomputed on every audit so it always reflects the live state of the domain.
Is rrt.net a valid email domain?
Yes, rrt.net is a valid email domain associated with a regional US internet and telecommunications service provider.
Is rrt.net a disposable or temporary email service?
No, rrt.net is not a disposable or temporary email service. It is a permanent ISP email domain serving broadband subscribers.
What mail servers does rrt.net use?
rrt.net uses mail servers within its regional telecom infrastructure. The MX records direct inbound email to gateways handling filtering and delivery.
Can I send marketing emails to rrt.net addresses?
You can send marketing emails to rrt.net addresses with valid opt-in consent. Authenticate with SPF and DKIM, comply with CAN-SPAM, and maintain very low complaint rates.
How do I verify an rrt.net email address?
You can verify an rrt.net email address using an email verification service that checks MX records and performs SMTP-level validation to confirm the mailbox is active.