theoremsgroups.com - robtex.com

theoremsgroups.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2efc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8f65🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.252Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.101🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSharmony.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2692🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharmony.ns.cloudflare.com
A2803:f800:50::6ca2:c292🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharmony.ns.cloudflare.com
A2a06:98c1:50::ac40:2292🇺🇸 Cloudflare2a06:98c1:50::/45
A108.162.194.146Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.146Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.146Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSzod.ns.cloudflare.com
A2606:4700:58::adf5:3bfaCloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c1faCloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:21faCloudflare2a06:98c1:50::/45
A108.162.193.250Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.250Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.250Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXheracles-relay.mxrouting.net ⭐
A65.109.144.50Hetzner65.109.0.0/16 HETZNER-DC
MXheracles.mxrouting.net(20)
A65.109.144.50Hetzner65.109.0.0/16 HETZNER-DC
TXTv=spf1 include:mxroute.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.252, 172.67.143.101
IPv6 hints2606:4700:3031::6815:2efc, 2606:4700:3037::ac43:8f65
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAharmony.ns.cloudflare.comdns@cloudflare.com serial=2401606861

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777034876

Same first word

theoremsgroups.com

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSharmony.ns.cloudflare.comzod.ns.cloudflare.comns17.domaincontrol.comns18.domaincontrol.comMXheracles-relay.mxrouting.netheracles.mxrouting.netmailstore1.asia.secureserver.netsmtp.asia.secureserver.netA104.21.46.252172.67.143.1012606:4700:3031::6815:2efc2606:4700:3037::ac43:8f65192.186.209.36
●NSharmony.ns.cloudflare.com2026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
○NSns17.domaincontrol.com2015-06-13 → 2017-03-27 · 4 obs
● 2015-06-13 10:41:46
● 2017-03-27 14:23:52
○ 2026-04-05 18:46:58
○ 2026-04-24 13:15:38
○NSns18.domaincontrol.com2015-06-13 → 2017-03-27 · 4 obs
● 2015-06-13 10:41:46
● 2017-03-27 14:23:52
○ 2026-04-05 18:46:58
○ 2026-04-24 13:15:38
●NSzod.ns.cloudflare.com2026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
●MXheracles-relay.mxrouting.net2026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
●MXheracles.mxrouting.net2026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
○MXmailstore1.asia.secureserver.net2015-06-13 → 2017-03-27 · 4 obs
● 2015-06-13 10:41:46
● 2017-03-27 14:23:52
○ 2026-04-05 18:46:58
○ 2026-04-24 13:15:38
○MXsmtp.asia.secureserver.net2015-06-13 → 2017-03-27 · 4 obs
● 2015-06-13 10:41:46
● 2017-03-27 14:23:52
○ 2026-04-05 18:46:58
○ 2026-04-24 13:15:38
●A104.21.46.2522026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
●A172.67.143.1012026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
○A192.186.209.362015-06-13 → 2017-03-27 · 4 obs
● 2015-06-13 10:41:46
● 2017-03-27 14:23:52
○ 2026-04-05 18:46:58
○ 2026-04-24 13:15:38
●A2606:4700:3031::6815:2efc2026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38
●A2606:4700:3037::ac43:8f652026-04-05 → 2026-04-24 · 3 obs
○ 2017-03-27 14:23:52
● 2026-04-05 18:46:58
● 2026-04-24 13:15:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
theoremsgroups.comzod.ns.cloudflare.com, harmony.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.146

NS records: zod.ns.cloudflare.com, harmony.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for theoremsgroups.com (unsigned zone)

⏱️ Timing

Total: 257ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.143.101, 104.21.46.252
AAAA22606:4700:3031::6815:2efc, 2606:4700:3037::ac43:8f65
NS2harmony.ns.cloudflare.com, zod.ns.cloudflare.com
MX2heracles.mxrouting.net (pri: 10), heracles-relay.mxrouting.net (pri: 20)
TXT1v=spf1 include:mxroute.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1harmony.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zod.ns.cloudflare.com, zod.ns.cloudflare.com, zod.ns.cloudflare.com...)

Analysis

IP Addresses

theoremsgroups.com resolves to four IP numbers: 2606:4700:3031::6815:2efc, 2606:4700:3037::ac43:8f65, 104.21.46.252 and 172.67.143.101.

Other host names such as klasemenliga.com, shapsi.com, www.espit.gr, wasihngtonpost.com and comterfabrications.com share IPs with theoremsgroups.com.

Name Servers

theoremsgroups.com is delegated to two name servers: harmony.ns.cloudflare.com and zod.ns.cloudflare.com.

theoremsgroups.com shares the same name server setup as 3292a.top, 8276a.top, 3947b.top, 3373a.top and 686ww.top.

theoremsgroups.com at least partially shares name servers with other domains, for instance infiled.com, ag-dappv2-connect.com, hospedagempro.com, avatarjp.com and brazilianwax101.com.

these name servers are commonly used with harleigh.ns.cloudflare.com, nicole.ns.cloudflare.com, irma.ns.cloudflare.com and lana.ns.cloudflare.com.

Host names with six IP numbers:

harmony.ns.cloudflare.com points to 2606:4700:50::a29f:2692, 2803:f800:50::6ca2:c292, 2a06:98c1:50::ac40:2292, 108.162.194.146, 162.159.38.146 and 172.64.34.146.

zod.ns.cloudflare.com points to 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250.

Mail Servers

theoremsgroups.com is handled by two mail servers: heracles-relay.mxrouting.net and heracles.mxrouting.net.

Host names with a single IP:

heracles-relay.mxrouting.net points to 65.109.144.50.

heracles.mxrouting.net points to 65.109.144.50.

Host names pointing to 65.109.144.50: heracles-relay.mxrouting.net and heracles.mxrouting.net.