mathopt.dev - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

mathopt.dev

DNSSEC⚠️ Not signed
A66.33.60.129πŸ‡ΊπŸ‡Έ Amazon66.33.60.0/24 EC2 Prefix
A76.76.21.164πŸ‡ΊπŸ‡Έ Amazon76.76.21.0/24 EC2 Prefix
NSns1.vercel-dns.com ⭐
A2620:4d:4000:6259:7:13:0:1πŸ‡ΊπŸ‡Έ NSONE2620:4d:4000::/48 PNAP-ACS nsone-1
PTRdns1.p13.nsone.net
A198.51.44.13πŸ‡ΊπŸ‡Έ NSONE198.51.44.0/24
PTRdns1.p13.nsone.net
NSns2.vercel-dns.com
A2a00:edc0:6259:7:13::2πŸ‡ΊπŸ‡Έ NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p13.nsone.net
A198.51.45.13πŸ‡ΊπŸ‡Έ NSONE198.51.45.0/24
PTRdns2.p13.nsone.net
SOAns1.vercel-dns.comhostmaster@nsone.net serial=1732800076

dev

DNSSEC⚠️ Not signed
NSns-tld1.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld2.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld3.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld4.charlestonroadregistry.com ⚠️ Not in zone NS records
NSns-tld5.charlestonroadregistry.com ⚠️ Not in zone NS records
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

17 records (4 active, 13 former)

NSns1.vercel-dns.comns2.vercel-dns.comA66.33.60.12976.76.21.16466.33.60.13066.33.60.19366.33.60.19466.33.60.3466.33.60.3566.33.60.6666.33.60.6776.76.21.12376.76.21.14276.76.21.2276.76.21.24176.76.21.9376.76.21.98
●NSns1.vercel-dns.com2026-08-30 β†’ 2026-09-12 Β· 2 obs
● 2026-08-30 11:45:02
● 2026-09-12 21:52:36
●NSns2.vercel-dns.com2026-08-30 β†’ 2026-09-12 Β· 2 obs
● 2026-08-30 11:45:02
● 2026-09-12 21:52:36
●A66.33.60.1292026-09-06 β†’ 2026-09-12 Β· 9 obs
β—‹ 2026-09-06 00:14:44
● 2026-09-06 06:49:52
β—‹ 2026-09-06 10:14:28
● 2026-09-08 17:24:02
β—‹ 2026-09-09 01:23:00
● 2026-09-09 16:27:46
β—‹ 2026-09-10 01:23:14
● 2026-09-12 20:53:50
● 2026-09-12 21:52:36
β—‹A66.33.60.1302026-09-05 β†’ 2026-09-10 Β· 8 obs
β—‹ 2026-09-05 09:49:54
● 2026-09-05 14:32:22
β—‹ 2026-09-05 19:28:24
● 2026-09-09 15:56:40
β—‹ 2026-09-09 16:27:46
● 2026-09-10 21:57:10
β—‹ 2026-09-11 18:19:26
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.1932026-09-05 β†’ 2026-09-10 Β· 10 obs
β—‹ 2026-09-05 19:28:24
● 2026-09-05 22:58:10
β—‹ 2026-09-06 00:14:44
● 2026-09-06 06:49:52
β—‹ 2026-09-06 16:00:28
● 2026-09-07 23:21:36
β—‹ 2026-09-08 00:15:16
● 2026-09-10 02:30:16
β—‹ 2026-09-10 07:52:20
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.1942026-09-05 β†’ 2026-09-11 Β· 8 obs
β—‹ 2026-09-05 09:49:54
● 2026-09-05 14:32:22
β—‹ 2026-09-05 19:28:24
● 2026-09-06 00:14:44
β—‹ 2026-09-06 06:49:52
● 2026-09-11 04:07:46
β—‹ 2026-09-11 18:19:26
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.342026-08-31 β†’ 2026-09-08 Β· 8 obs
β—‹ 2026-08-30 11:45:02
● 2026-08-31 02:25:58
β—‹ 2026-09-05 14:32:22
● 2026-09-05 22:58:10
β—‹ 2026-09-06 00:14:44
● 2026-09-08 00:15:16
β—‹ 2026-09-08 15:55:58
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.352026-09-05 β†’ 2026-09-10 Β· 8 obs
β—‹ 2026-09-05 14:32:22
● 2026-09-05 19:28:24
β—‹ 2026-09-05 22:58:10
● 2026-09-09 11:46:24
β—‹ 2026-09-09 14:19:12
● 2026-09-10 01:23:14
β—‹ 2026-09-10 02:30:16
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.662026-09-06 β†’ 2026-09-09 Β· 12 obs
β—‹ 2026-09-05 22:58:10
● 2026-09-06 00:14:44
β—‹ 2026-09-06 06:49:52
● 2026-09-06 10:14:28
β—‹ 2026-09-07 06:44:14
● 2026-09-07 16:25:34
β—‹ 2026-09-07 22:44:16
● 2026-09-09 15:56:40
β—‹ 2026-09-09 16:27:46
● 2026-09-09 22:24:30
β—‹ 2026-09-10 01:23:14
β—‹ 2026-09-12 21:52:36
β—‹A66.33.60.672026-09-09 β†’ 2026-09-10 Β· 6 obs
β—‹ 2026-09-08 17:24:02
● 2026-09-09 01:23:00
β—‹ 2026-09-09 11:46:24
● 2026-09-10 01:23:14
β—‹ 2026-09-10 02:30:16
β—‹ 2026-09-12 21:52:36
β—‹A76.76.21.1232026-08-30 β†’ 2026-09-10 Β· 11 obs
● 2026-08-30 11:45:02
β—‹ 2026-08-31 02:25:58
● 2026-09-07 22:44:16
β—‹ 2026-09-08 00:15:16
● 2026-09-08 15:55:58
β—‹ 2026-09-08 17:24:02
● 2026-09-09 11:46:24
β—‹ 2026-09-09 15:56:40
● 2026-09-10 07:52:20
β—‹ 2026-09-10 21:57:10
β—‹ 2026-09-12 21:52:36
β—‹A76.76.21.1422026-09-06 β†’ 2026-09-11 Β· 8 obs
β—‹ 2026-09-06 10:14:28
● 2026-09-06 16:00:28
β—‹ 2026-09-07 06:44:14
● 2026-09-08 17:24:02
β—‹ 2026-09-09 01:23:00
● 2026-09-11 18:19:26
β—‹ 2026-09-12 00:08:14
β—‹ 2026-09-12 21:52:36
●A76.76.21.1642026-09-05 β†’ 2026-09-12 Β· 7 obs
β—‹ 2026-09-05 14:32:22
● 2026-09-05 19:28:24
β—‹ 2026-09-05 22:58:10
● 2026-09-07 06:44:14
β—‹ 2026-09-07 16:25:34
● 2026-09-12 00:08:14
● 2026-09-12 21:52:36
β—‹A76.76.21.222026-08-31 β†’ 2026-09-11 Β· 12 obs
β—‹ 2026-08-30 11:45:02
● 2026-08-31 02:25:58
β—‹ 2026-09-05 09:49:54
● 2026-09-07 16:25:34
β—‹ 2026-09-07 22:44:16
● 2026-09-08 00:15:16
β—‹ 2026-09-08 17:24:02
● 2026-09-10 07:52:20
β—‹ 2026-09-11 04:07:46
● 2026-09-11 18:19:26
β—‹ 2026-09-12 00:08:14
β—‹ 2026-09-12 21:52:36
β—‹A76.76.21.2412026-08-30 β†’ 2026-09-12 Β· 11 obs
● 2026-08-30 11:45:02
β—‹ 2026-08-31 02:25:58
● 2026-09-07 06:44:14
β—‹ 2026-09-07 16:25:34
● 2026-09-09 01:23:00
β—‹ 2026-09-09 11:46:24
● 2026-09-09 16:27:46
β—‹ 2026-09-09 22:24:30
● 2026-09-12 00:08:14
β—‹ 2026-09-12 20:53:50
β—‹ 2026-09-12 21:52:36
β—‹A76.76.21.932026-09-05 β†’ 2026-09-10 Β· 8 obs
β—‹ 2026-08-31 02:25:58
● 2026-09-05 09:49:54
β—‹ 2026-09-05 14:32:22
● 2026-09-09 14:19:12
β—‹ 2026-09-09 15:56:40
● 2026-09-10 02:30:16
β—‹ 2026-09-10 07:52:20
β—‹ 2026-09-12 21:52:36
β—‹A76.76.21.982026-09-07 β†’ 2026-09-07 Β· 4 obs
β—‹ 2026-09-07 16:25:34
● 2026-09-07 22:44:16
β—‹ 2026-09-07 23:21:36
β—‹ 2026-09-12 21:52:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...10 records
mathopt.devns2.vercel-dns.com, ns1.vercel-dns.com-

βœ… Authoritative Response

Server:198.51.45.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathopt.dev (unsigned zone)

⏱️ Timing

Total: 1222ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A276.76.21.123, 66.33.60.35
NS2ns1.vercel-dns.com, ns2.vercel-dns.com
SOA1ns1.vercel-dns.com hostmaster.nsone.net

πŸ“Œ Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

mathopt.dev resolves to the IP addresses 66.33.60.129 and 76.76.21.164

Two other host names, along with ndomi.no, zhupafan-gemini.top and casamagictenerife.com, also share IP numbers with mathopt.dev.

Name Servers

The NS records for mathopt.dev delegate to ns1.vercel-dns.com and ns2.vercel-dns.com.

mathopt.dev shares its NS records with other domains, for example shotfired.dev, mizlab.app, potrzebny.shop and two others.

mathopt.dev at least partially shares name servers with other domains, including microgreensmart.com, innfill.in, yahp.dev and dailycoverageiq.com.

ns1.vercel-dns.com resolves to 198.51.44.13 and 2620:4d:4000:6259:7:13:0:1. Likewise, ns2.vercel-dns.com resolves to 198.51.45.13 and 2a00:edc0:6259:7:13::2 β€” two IP addresses apiece.