perfectmathsat.com - robtex.com

perfectmathsat.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9e1d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:e3e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.62Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.29🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkatelyn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26eb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A2803:f800:50::6ca2:c2eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkatelyn.ns.cloudflare.com
A2a06:98c1:50::ac40:22eb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkatelyn.ns.cloudflare.com
A108.162.194.235🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A162.159.38.235Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
A172.64.34.235🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatelyn.ns.cloudflare.com
NSnikon.ns.cloudflare.com
A2606:4700:58::a29f:2cb0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnikon.ns.cloudflare.com
A2803:f800:50::6ca2:c3b0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnikon.ns.cloudflare.com
A2a06:98c1:50::ac40:23b0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnikon.ns.cloudflare.com
A108.162.195.176🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnikon.ns.cloudflare.com
A162.159.44.176Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnikon.ns.cloudflare.com
A172.64.35.176🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnikon.ns.cloudflare.com
MXmail.perfectmathsat.com ⭐
A89.167.17.248🇩🇪 Hetzner89.167.0.0/17 HETZNER-DC
PTRserver1.webfuran.com
TXT_globalsign-domain-verification=-18u-WgPlYFGYVi_pUwDT-uAp9TbRsKEhQJL-U1atk
TXTgoogle-site-verification=QdI651CJM59pO7e-38B4j872PNL6fCAymK_SzkhHiKA
TXTv=spf1 +a +mx +ip4:50.87.227.183 +ip4:67.20.88.101 +include:websitewelcome.co...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.62, 172.67.158.29
IPv6 hints2606:4700:3031::ac43:9e1d, 2606:4700:3034::6815:e3e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOAkatelyn.ns.cloudflare.comdns@cloudflare.com serial=2401144273

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=1776042002

Previously MX for

perfectmathsat.com

Subdomains

mail.perfectmathsat.com

Same first word

perfectmathsat.com

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSkatelyn.ns.cloudflare.comnikon.ns.cloudflare.comns1.bluehost.comns1.perfectmathsat.comns2.bluehost.comMXmail.perfectmathsat.comperfectmathsat.comA104.21.14.62172.67.158.292606:4700:3031::ac43:9e1d2606:4700:3034::6815:e3e198.154.235.1
●NSkatelyn.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
●NSnikon.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
○NSns1.bluehost.com2015-08-12 → 2017-06-22 · 4 obs
● 2015-08-12 22:42:54
● 2017-06-22 08:22:02
○ 2026-04-10 07:46:24
○ 2026-04-13 01:06:20
○NSns1.perfectmathsat.com2015-08-12 → 2017-06-22 · 4 obs
● 2015-08-12 22:42:54
● 2017-06-22 08:22:02
○ 2026-04-10 07:46:24
○ 2026-04-13 01:06:20
○NSns2.bluehost.com2015-08-12 → 2017-06-22 · 4 obs
● 2015-08-12 22:42:54
● 2017-06-22 08:22:02
○ 2026-04-10 07:46:24
○ 2026-04-13 01:06:20
●MXmail.perfectmathsat.com2026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
○MXperfectmathsat.com2015-08-12 → 2017-06-22 · 4 obs
● 2015-08-12 22:42:54
● 2017-06-22 08:22:02
○ 2026-04-10 07:46:24
○ 2026-04-13 01:06:20
●A104.21.14.622026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
●A172.67.158.292026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
○A198.154.235.12015-08-12 → 2017-06-22 · 4 obs
● 2015-08-12 22:42:54
● 2017-06-22 08:22:02
○ 2026-04-10 07:46:24
○ 2026-04-13 01:06:20
●A2606:4700:3031::ac43:9e1d2026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20
●A2606:4700:3034::6815:e3e2026-04-10 → 2026-04-13 · 3 obs
○ 2017-06-22 08:22:02
● 2026-04-10 07:46:24
● 2026-04-13 01:06:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net...-
perfectmathsat.comkatelyn.ns.cloudflare.com, nikon.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.235

NS records: katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for perfectmathsat.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.29, 104.21.14.62
AAAA22606:4700:3031::ac43:9e1d, 2606:4700:3034::6815:e3e
NS2katelyn.ns.cloudflare.com, nikon.ns.cloudflare.com
MX1mail.perfectmathsat.com (pri: 0)
TXT3_globalsign-domain-verification=-18u-WgP, google-site-verification=QdI651CJM59pO7e...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1katelyn.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of mail.perfectmathsat.com is perfectmathsat.com.

IP Addresses

perfectmathsat.com maps to four IP numbers: 2606:4700:3031::ac43:9e1d, 2606:4700:3034::6815:e3e, 104.21.14.62 and 172.67.158.29.

other host names include www.theavenuedental.com.au, www.famiflora.be, turkifsa37.cfd, winery.us.com and www.irishpapermoney.com; they share IP numbers with perfectmathsat.com.

Name Servers

Two name servers katelyn.ns.cloudflare.com and nikon.ns.cloudflare.com handle the delegation for perfectmathsat.com.

perfectmathsat.com shares the same name server setup as other domains, for instance azur.com.br, onlinemathsattutoring.com, njmathplustutor.com, lolma.in and pebblesinthesand.co.uk.

perfectmathsat.com at least partially shares name servers with other domains, for instance linkbolavs.com, hhpvg.com, dissuasoriultrasuoniclick.com, wholesaledb.com and grange.com.br.

These name servers are commonly used with valentin.ns.cloudflare.com, rayne.ns.cloudflare.com, holly.ns.cloudflare.com, scott.ns.cloudflare.com and arturo.ns.cloudflare.com.

Six IP addresses per host:

katelyn.ns.cloudflare.com points to 2606:4700:50::a29f:26eb, 2803:f800:50::6ca2:c2eb, 2a06:98c1:50::ac40:22eb, 108.162.194.235, 162.159.38.235 and 172.64.34.235; nikon.ns.cloudflare.com points to 2606:4700:58::a29f:2cb0, 2803:f800:50::6ca2:c3b0, 2a06:98c1:50::ac40:23b0, 108.162.195.176, 162.159.44.176 and 172.64.35.176

Mail Servers

perfectmathsat.com is handled by a single mail server, mail.perfectmathsat.com.

The host name mail.perfectmathsat.com points to IP 89.167.17.248.