mx.firstborn.us - dns.ninja
mx.firstborn.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
firstborn.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| NS | ns2.afternic.com | ||||||
| NS | verification-m3erh32ujyoastvophjvuz.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.afternic.com2026-08-04 → 2026-08-04 · 1 obs
●NSns2.afternic.com2026-08-04 → 2026-08-04 · 1 obs
●A13.248.169.482026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 16:09:48
○A66.96.140.1442016-11-08 → 2016-12-28 · 3 obs
● 2016-12-28 17:41:44
○ 2026-08-04 16:09:48
○A66.96.140.1452016-11-08 → 2016-12-28 · 3 obs
● 2016-12-28 17:41:44
○ 2026-08-04 16:09:48
●A76.223.54.1462026-08-04 → 2026-08-04 · 2 obs
● 2026-08-04 16:09:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| firstborn.us | ns1.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstborn.us (unsigned zone)
⏱️ Timing
Total: 255ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
Analysis
IP Addresses
mx.firstborn.us resolves to the IP addresses 13.248.169.48 and 76.223.54.146
Two other host names, along with mx.elpasotrainer.com, dsbs.com and win101.com, also share IP numbers with mx.firstborn.us.
Name Servers
mx.firstborn.us has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
mx.firstborn.us shares its NS records with other domains, for example ww1.ticc.co.uk, ymdie.com, fmhu.com and two others.
mx.firstborn.us has at least partial name server overlap with other domains, such as sbuf.com, 9starhd.com, bhair.com and two others.
These name servers tend to appear together with the name servers verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn and verification-qxu9bfdaih4cxurbbn3f4d.ns101.verify.hn.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.