servertheory.com - dns.ninja

servertheory.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d8b1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5ded🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.237Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.177🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkayden.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c4a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkayden.ns.cloudflare.com
A2803:f800:50::6ca2:c34a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkayden.ns.cloudflare.com
A2a06:98c1:50::ac40:234a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkayden.ns.cloudflare.com
A108.162.195.74🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkayden.ns.cloudflare.com
A162.159.44.74Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkayden.ns.cloudflare.com
A172.64.35.74🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkayden.ns.cloudflare.com
NSmelinda.ns.cloudflare.com
A2606:4700:50::adf5:3ac6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A2803:f800:50::6ca2:c0c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelinda.ns.cloudflare.com
A2a06:98c1:50::ac40:20c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelinda.ns.cloudflare.com
A108.162.192.198🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A172.64.32.198🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A173.245.58.198🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
MXwebpageandemail.com ⭐
A69.164.196.198🇺🇸 AKAMAI-LINODE-AP69.164.192.0/20 Akamai Technologies
PTRwebpageandemail.com
TXTgoogle-site-verification=PLkOLzNdMw8LTk_ww6WHVne_XCIv_Dra3I4iBVGAceQ
TXTv=spf1 mx mx:webpageandemail.com ip4:69.164.196.198 ptr:webapgeandemail.com i...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.93.237, 172.67.216.177
IPv6 hints2606:4700:3034::ac43:d8b1, 2606:4700:3037::6815:5ded
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOAkayden.ns.cloudflare.comdns@cloudflare.com serial=2411311970

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=1785968179

Same first word

servertheory.com

Similar names

theoryserver.com

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSkayden.ns.cloudflare.commelinda.ns.cloudflare.comns65.domaincontrol.comns66.domaincontrol.comMXwebpageandemail.commail.webpageandemail.comA104.21.93.237172.67.216.1772606:4700:3034::ac43:d8b12606:4700:3037::6815:5ded188.114.96.0188.114.97.02606:4700:3030::6815:5ded2a06:98c1:3120::2a06:98c1:3121::50.116.25.21396.126.120.10
●NSkayden.ns.cloudflare.com2026-03-08 → 2026-08-05 · 3 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-08-05 22:23:16
●NSmelinda.ns.cloudflare.com2026-03-08 → 2026-08-05 · 3 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-08-05 22:23:16
○NSns65.domaincontrol.com2015-07-25 → 2017-04-10 · 4 obs
● 2015-07-25 08:05:18
● 2017-04-10 12:24:40
○ 2026-03-08 02:48:22
○ 2026-08-05 22:23:16
○NSns66.domaincontrol.com2015-07-25 → 2017-04-10 · 4 obs
● 2015-07-25 08:05:18
● 2017-04-10 12:24:40
○ 2026-03-08 02:48:22
○ 2026-08-05 22:23:16
○MXmail.webpageandemail.com2015-07-25 → 2017-04-10 · 4 obs
● 2015-07-25 08:05:18
● 2017-04-10 12:24:40
○ 2026-03-08 02:48:22
○ 2026-08-05 22:23:16
●MXwebpageandemail.com2026-03-08 → 2026-08-05 · 3 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-08-05 22:23:16
●A104.21.93.2372026-03-08 → 2026-08-05 · 10 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-03-09 01:39:04
○ 2026-03-12 01:40:30
● 2026-04-16 11:00:50
● 2026-05-06 09:09:08
○ 2026-05-26 04:16:12
● 2026-07-01 14:29:20
○ 2026-07-08 20:14:06
● 2026-08-05 22:23:16
●A172.67.216.1772026-03-08 → 2026-08-05 · 10 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-03-09 01:39:04
○ 2026-03-12 01:40:30
● 2026-04-16 11:00:50
● 2026-05-06 09:09:08
○ 2026-05-26 04:16:12
● 2026-07-01 14:29:20
○ 2026-07-08 20:14:06
● 2026-08-05 22:23:16
○A188.114.96.02026-03-12 → 2026-07-08 · 8 obs
○ 2026-03-09 01:39:04
● 2026-03-12 01:40:30
○ 2026-04-16 11:00:50
○ 2026-05-06 09:09:08
● 2026-05-26 04:16:12
○ 2026-07-01 14:29:20
● 2026-07-08 20:14:06
○ 2026-08-05 22:23:16
○A188.114.97.02026-03-12 → 2026-07-08 · 8 obs
○ 2026-03-09 01:39:04
● 2026-03-12 01:40:30
○ 2026-04-16 11:00:50
○ 2026-05-06 09:09:08
● 2026-05-26 04:16:12
○ 2026-07-01 14:29:20
● 2026-07-08 20:14:06
○ 2026-08-05 22:23:16
○A2606:4700:3030::6815:5ded2026-03-08 → 2026-05-06 · 8 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-03-09 01:39:04
○ 2026-03-12 01:40:30
● 2026-04-16 11:00:50
● 2026-05-06 09:09:08
○ 2026-05-26 04:16:12
○ 2026-08-05 22:23:16
●A2606:4700:3034::ac43:d8b12026-03-08 → 2026-08-05 · 10 obs
○ 2017-04-10 12:24:40
● 2026-03-08 02:48:22
● 2026-03-09 01:39:04
○ 2026-03-12 01:40:30
● 2026-04-16 11:00:50
● 2026-05-06 09:09:08
○ 2026-05-26 04:16:12
● 2026-07-01 14:29:20
○ 2026-07-08 20:14:06
● 2026-08-05 22:23:16
●A2606:4700:3037::6815:5ded2026-07-01 → 2026-08-05 · 4 obs
○ 2026-05-26 04:16:12
● 2026-07-01 14:29:20
○ 2026-07-08 20:14:06
● 2026-08-05 22:23:16
○A2a06:98c1:3120::2026-03-12 → 2026-07-08 · 8 obs
○ 2026-03-09 01:39:04
● 2026-03-12 01:40:30
○ 2026-04-16 11:00:50
○ 2026-05-06 09:09:08
● 2026-05-26 04:16:12
○ 2026-07-01 14:29:20
● 2026-07-08 20:14:06
○ 2026-08-05 22:23:16
○A2a06:98c1:3121::2026-03-12 → 2026-07-08 · 8 obs
○ 2026-03-09 01:39:04
● 2026-03-12 01:40:30
○ 2026-04-16 11:00:50
○ 2026-05-06 09:09:08
● 2026-05-26 04:16:12
○ 2026-07-01 14:29:20
● 2026-07-08 20:14:06
○ 2026-08-05 22:23:16
○A50.116.25.2132016-07-18 → 2017-04-10 · 5 obs
○ 2016-03-17 14:39:44
● 2016-07-18 02:37:14
● 2017-04-10 12:24:40
○ 2026-03-08 02:48:22
○ 2026-08-05 22:23:16
○A96.126.120.102015-07-25 → 2016-03-17 · 4 obs
● 2015-07-25 08:05:18
● 2016-03-17 14:39:44
○ 2016-07-18 02:37:14
○ 2026-08-05 22:23:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...-
servertheory.commelinda.ns.cloudflare.com, kayden.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.74

NS records: melinda.ns.cloudflare.com, kayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for servertheory.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.93.237, 172.67.216.177
AAAA22606:4700:3034::ac43:d8b1, 2606:4700:3037::6815:5ded
NS2kayden.ns.cloudflare.com, melinda.ns.cloudflare.com
MX1webpageandemail.com (pri: 10)
TXT2google-site-verification=PLkOLzNdMw8LTk_, v=spf1 mx mx:webpageandemail.com ip4:69.
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kayden.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

servertheory.com has four IP addresses: 104.21.93.237, 172.67.216.177, 2606:4700:3034::ac43:d8b1 and 2606:4700:3037::6815:5ded.

balabaka.com, hsxhsp.com, urbanwaveco.info and two other host names share IP numbers with servertheory.com.

Name Servers

servertheory.com uses two name servers for its delegation: kayden.ns.cloudflare.com and melinda.ns.cloudflare.com.

servertheory.com uses the same name servers as several other domains — among them salon8marta.ru, robspeyer.com, hippodrome.com and two more.

servertheory.com partially shares its NS delegation with several other domains, including oddsline.nl, itopick.com, phbraasch.de and two others.

These name servers regularly co-occur with the name servers grace.ns.cloudflare.com, bethany.ns.cloudflare.com and romina.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname kayden.ns.cloudflare.com directs to 108.162.195.74, 162.159.44.74 and 172.64.35.74 along with 3 other IP addresses.

Hostname melinda.ns.cloudflare.com directs to 108.162.192.198, 172.64.32.198 and 173.245.58.198 along with 3 other IP addresses.

Mail Servers

Mail for servertheory.com is handled by a single mail server, webpageandemail.com.

servertheory.com uses an identical mail server configuration to several other domains — among them justincaselegalnurse.com, usafitz.com, webpageandemail.com and two more.

webpageandemail.com directs to just one IP number, 69.164.196.198.