rtfa.as - dns.ninja
rtfa.as
as
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.as ⭐ | ||||||
| NS | ns1.asnic.biz | ||||||
| NS | ns2.asnic.info | ||||||
| NS | ns3.asnic.org | ||||||
| NS | ns4.asnic.uk | ||||||
| NS | ns5.asnic.us | ||||||
| MX | no.mx.nic.as ⭐ | ||||||
| TXT | Generation Time ISO 8601: 2026-08-08 21:07:00 | ||||||
| TXT | Generation Time: 1786223220 | ||||||
| SOA | dns.nic.asdomainmaster@nic.as 2026-08-08 #37 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1275.awsdns-31.org2016-12-28 → 2026-08-08 · 2 obs
● 2026-08-08 21:55:34
●NSns-1993.awsdns-57.co.uk2016-12-28 → 2026-08-08 · 2 obs
● 2026-08-08 21:55:34
●NSns-379.awsdns-47.com2016-12-28 → 2026-08-08 · 2 obs
● 2026-08-08 21:55:34
●NSns-618.awsdns-13.net2016-12-28 → 2026-08-08 · 2 obs
● 2026-08-08 21:55:34
●MXinbound-smtp.us-east-1.amazonaws.com2016-12-28 → 2026-08-08 · 2 obs
● 2026-08-08 21:55:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| as | ns2.asnic.info, ns4.asnic.uk, ns3.asnic.org, ns1.asnic.biz... | 10 records |
| rtfa.as | ns-379.awsdns-47.com, ns-618.awsdns-13.net, ns-1275.awsdns-31.org, ns-1993.awsdns-57.co.uk | - |
✅ Authoritative Response
Server:205.251.196.251
NS records: ns-379.awsdns-47.com, ns-618.awsdns-13.net, ns-1275.awsdns-31.org, ns-1993.awsdns-57.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtfa.as (unsigned zone)
⏱️ Timing
Total: 378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1275.awsdns-31.org, ns-1993.awsdns-57.co.uk... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| TXT | 1 | globalsign-domain-verification=XyiqGrBJT |
| SOA | 1 | ns-618.awsdns-13.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns5.asnic.us, ns4.asnic.uk, ns3.asnic.org...)
Analysis
Name Servers
Four name servers handle the delegation for rtfa.as: ns-379.awsdns-47.com, ns-618.awsdns-13.net, ns-1275.awsdns-31.org and ns-1993.awsdns-57.co.uk.
The name servers of rtfa.as overlap at least partially with those of other domains — among them 21ca3455c-frontier.bookdepository.com, darjeeling.fr, postnettx233.com and two more.
Each of the four hosts ns-379.awsdns-47.com, ns-618.awsdns-13.net, ns-1275.awsdns-31.org and ns-1993.awsdns-57.co.uk has two IP addresses. ns-379.awsdns-47.com points to 205.251.193.123 and 2600:9000:5301:7b00::1. ns-618.awsdns-13.net points to 205.251.194.106 and 2600:9000:5302:6a00::1. ns-1275.awsdns-31.org points to 205.251.196.251 and 2600:9000:5304:fb00::1. ns-1993.awsdns-57.co.uk points to 205.251.199.201 and 2600:9000:5307:c900::1.
Mail Servers
rtfa.as uses one mail server — inbound-smtp.us-east-1.amazonaws.com.
The mail server setup of rtfa.as matches that of other domains such as phillysecshell.slack.com, ccpfall17.slack.com, drahadataai.com and two others.
At least some of the mail servers used by rtfa.as are shared with other domains: anymedi.com, voipappz.io, invoke.atlassian.net and two others among them.
These mail servers tend to be used in conjunction with the mail servers inbound-smtp.us-west-2.amazonaws.com.
inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.