mathsheet.com - robtex.com

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

mathsheet.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fbπŸ‡ΊπŸ‡Έ Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeeeπŸ‡ΊπŸ‡Έ Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84πŸ‡ΊπŸ‡Έ Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197πŸ‡ΊπŸ‡Έ Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:401d:c0e9:501a:ea95πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:e84a:f7f7:5ce:2959πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A18.212.76.155πŸ‡ΊπŸ‡Έ Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-212-76-155.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:a9de:222:b761:54d8πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:31e7:1e97:ef04:c7fbπŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:3ec0:1f04:82d2:43f6πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A52.23.203.154πŸ‡ΊπŸ‡Έ Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-23-203-154.compute-1.amazonaws.com
A100.30.216.1πŸ‡ΊπŸ‡Έ Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-30-216-1.compute-1.amazonaws.com
A184.72.65.107πŸ‡ΊπŸ‡Έ Amazon184.72.64.0/19 IAD prefix
PTRec2-184-72-65-107.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:4c18:c076:2f6e:fa04πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:eb7a:23b2:29d8:e816πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:244d:8097:67d5:d00πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:86d7:e006:2666:13d9πŸ‡ΊπŸ‡Έ Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.90.244.46πŸ‡ΊπŸ‡Έ Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-90-244-46.compute-1.amazonaws.com
A18.206.239.168πŸ‡ΊπŸ‡Έ Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-206-239-168.compute-1.amazonaws.com
A34.227.8.8πŸ‡ΊπŸ‡Έ Amazon34.224.0.0/12 EC2 Region prefix
PTRec2-34-227-8-8.compute-1.amazonaws.com
A54.198.126.254πŸ‡ΊπŸ‡Έ Amazon54.198.0.0/16 EC2 IAD prefix
PTRec2-54-198-126-254.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-11-04 #1

com

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comsk.s5.cm.ns1.31.ztomy.comsk.s5.cm.ns2.31.ztomy.comMXmail.b-io.coA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197141.8.225.165PTRsk.s5.cm.ns1.31.ztomy.com
●NSns1.namebrightdns.com2026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
●NSnsg1.namebrightdns.com2026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
●NSnsg2.namebrightdns.com2026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
β—‹NSsk.s5.cm.ns1.31.ztomy.com2015-11-12 β†’ 2017-02-16 Β· 4 obs
● 2015-11-12 14:41:48
● 2017-02-16 10:15:30
β—‹ 2026-09-20 13:38:18
β—‹ 2026-11-06 19:54:20
β—‹NSsk.s5.cm.ns2.31.ztomy.com2015-11-12 β†’ 2017-02-16 Β· 4 obs
● 2015-11-12 14:41:48
● 2017-02-16 10:15:30
β—‹ 2026-09-20 13:38:18
β—‹ 2026-11-06 19:54:20
β—‹MXmail.b-io.co2015-11-12 β†’ 2016-06-25 Β· 4 obs
● 2015-11-12 14:41:48
● 2016-06-25 18:45:04
β—‹ 2026-09-20 13:38:18
β—‹ 2026-11-06 19:54:20
●A13.223.25.842026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
β—‹A141.8.225.1652015-11-12 β†’ 2017-02-16 Β· 4 obs
● 2015-11-12 14:41:48
● 2017-02-16 10:15:30
β—‹ 2026-09-20 13:38:18
β—‹ 2026-11-06 19:54:20
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
●A54.243.117.1972026-09-20 β†’ 2026-11-06 Β· 3 obs
β—‹ 2017-02-16 10:15:30
● 2026-09-20 13:38:18
● 2026-11-06 19:54:20
β—‹PTRsk.s5.cm.ns1.31.ztomy.com2017-02-16 β†’ 2017-02-16 Β· 3 obs
● 2017-02-16 10:15:30
β—‹ 2026-09-20 13:38:18
β—‹ 2026-11-06 19:54:20

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...-
mathsheet.comnsg1.namebrightdns.com, nsg2.namebrightdns.com14 records

βœ… Authoritative Response

Server:100.30.216.1

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 295ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A254.243.117.197, 13.223.25.84
AAAA22600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee
NS2nsg1.namebrightdns.com, nsg2.namebrightdns.com
TXT2afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all
SOA1ns1.namebrightdns.com dns.namebright.com

πŸ“Œ Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

mathsheet.com has four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Name Servers

mathsheet.com is delegated to three name servers, ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

Host names with 8 IP numbers:

nsg2.namebrightdns.com resolves to 3.90.244.46, 18.206.239.168, 34.227.8.8 and 5 other IP addresses.

Host names with 6 IP numbers:

nsg1.namebrightdns.com resolves to 52.23.203.154, 100.30.216.1, 184.72.65.107 and 3 other IP addresses.

Host names with three IP numbers:

ns1.namebrightdns.com points to 18.212.76.155, 2600:1f18:683a:ae1a:401d:c0e9:501a:ea95 and 2600:1f18:683a:ae1b:e84a:f7f7:5ce:2959.