mathai.online - robtex.com
mathai.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | google-site-verification=2XhdNtYz2P3mdONMCtnya7e7aYMkfLs_gyjQl7wRuvw | ||||||
| TXT | yandex-verification: 75d43087a737d201 | ||||||
| TXT | openai-domain-verification=dv-hxXB0sGjXie6lbfluDVjWzHc | ||||||
| TXT | v=spf1 include:_spf.yandex.net include:_spf.google.com ~all | ||||||
| SOA | ns1.digitalocean.comhostmaster@mathai.online serial=0 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1781524710 | ||||||
Same first word
mathai.me |
mathai.in |
mathai.sk |
mathai.org |
mathai.co.uk |
mathai.com |
mathai.ch |
mathai.net |
mathai.online |
mathai.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.digitalocean.com2026-05-25 → 2026-06-15 · 2 obs
● 2026-06-15 12:29:08
●NSns2.digitalocean.com2026-05-25 → 2026-06-15 · 2 obs
● 2026-06-15 12:29:08
●NSns3.digitalocean.com2026-05-25 → 2026-06-15 · 2 obs
● 2026-06-15 12:29:08
●MXmx.yandex.net2026-05-25 → 2026-06-15 · 2 obs
● 2026-06-15 12:29:08
●A76.76.21.212026-05-25 → 2026-06-15 · 2 obs
● 2026-06-15 12:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info | 8 records |
| mathai.online | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.49.209
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathai.online (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 3 | ns2.digitalocean.com, ns1.digitalocean.com... |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 4 | openai-domain-verification=dv-hxXB0sGjXi, v=spf1 include:_spf.yandex.net include:_... |
| SOA | 1 | ns1.digitalocean.com hostmaster.mathai.o |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)
Analysis
IP Addresses
mathai.online has exactly one IP address — 76.76.21.21.
pondoktahfidzquran.ac.id, adviceapp.net, branche.pro plus two other host names have IP numbers in common with mathai.online.
Name Servers
The authoritative name servers for mathai.online are ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com — three in total.
At least some of mathai.online's name servers are shared with other domains, for example 1.0.0.9.1.6.c.0.0.0.0.0.0.0.0.0.0.1.0.0.0.0.8.0.0.8.8.a.4.0.6.2.ip6.arpa, future.edu.au, gavare.se and two more.
These name servers tend to be used in conjunction with the name servers ns4.digitalocean.com.
ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com all resolve to exactly two IP numbers apiece: ns1.digitalocean.com → 172.64.52.210 and 2606:4700:52::ac40:34d2; ns2.digitalocean.com → 172.64.53.21 and 2606:4700:5a::ac40:3515; ns3.digitalocean.com → 172.64.49.209 and 2606:4700:52::ac40:31d1.
Mail Servers
mathai.online uses one mail server — mx.yandex.net.
The mail server setup of mathai.online matches that of other domains such as zolotoygroshik.ru, gamemode.ru, octounit.ru and two others.
At least some of the mail servers used by mathai.online are shared with other domains: client4u.ru, td-steel.ru, cityeden.info and two others among them.
mx.yandex.net directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.