sert.io - robtex.com
sert.io
| 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 | ns1.afternic.com ⭐ | ||||||
| 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 | ||||||
| NS | ns2.afternic.com | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1781692198 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.afternic.com2026-06-05 → 2026-06-17 · 2 obs
● 2026-06-17 10:58:12
●NSns2.afternic.com2026-06-05 → 2026-06-17 · 2 obs
● 2026-06-17 10:58:12
●A13.248.169.482026-06-05 → 2026-06-17 · 2 obs
● 2026-06-17 10:58:12
●A76.223.54.1462026-06-05 → 2026-06-17 · 2 obs
● 2026-06-17 10:58:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, a0.nic.io, c0.nic.io, b0.nic.io | - |
| sert.io | ns2.afternic.com, ns1.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns2.afternic.com, ns1.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sert.io (unsigned zone)
⏱️ Timing
Total: 191ms | 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 | ns2.afternic.com dns.jomax.net |
Analysis
IP Addresses
sert.io directs to two IP numbers, 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with sert.io are ambista.com, contractorkarma.com, onekorea.com and two others.
Name Servers
sert.io has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
sert.io has the same name server delegation as a number of other domains, such as baby.publicsets.com, expname.com, www.sharath.com and two more.
sert.io has at least partial name server overlap with other domains, such as visualtrail.com, mylab.digital, nomadnova.com and two others.
It is common to find these name servers paired with the name servers verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-ywpbsnxpm99a4argbrkijr.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.