cutheory.dev - robtex.com

cutheory.dev

DNSSEC⚠️ Not signed
A2600:3c06::f03c:94ff:fef5:462eπŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies
A172.233.208.156πŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies
NSns1.linode.com ⭐
A2600:14c0:6::2πŸ‡ΊπŸ‡Έ Akamai2600:14c0:6::/48 Technologies
PTRc1-2.akashield.net
A92.123.94.2πŸ‡³πŸ‡± Akamai92.123.94.0/24 Technologies
PTRc1-2.akashield.net
NSns2.linode.com
A2600:14c0:6::3πŸ‡ΊπŸ‡Έ Akamai2600:14c0:6::/48 Technologies
PTRc1-3.akashield.net
A92.123.94.3πŸ‡³πŸ‡± Akamai92.123.94.0/24 Technologies
PTRc1-3.akashield.net
NSns3.linode.com
A2600:14c0:7::3πŸ‡ΊπŸ‡Έ Akamai2600:14c0:7::/48 Technologies
PTRc2-3.akashield.net
A92.123.95.3πŸ‡³πŸ‡± Akamai92.123.95.0/24 Technologies
PTRc2-3.akashield.net
NSns4.linode.com
A2600:14c0:7::4πŸ‡ΊπŸ‡Έ Akamai2600:14c0:7::/48 Technologies
PTRc2-4.akashield.net
A92.123.95.4πŸ‡³πŸ‡± Akamai92.123.95.0/24 Technologies
PTRc2-4.akashield.net
NSns5.linode.com
A2600:14c0:7::2πŸ‡ΊπŸ‡Έ Akamai2600:14c0:7::/48 Technologies
PTRc2-2.akashield.net
A92.123.95.2πŸ‡³πŸ‡± Akamai92.123.95.0/24 Technologies
PTRc2-2.akashield.net
MXmail.cutheory.dev ⭐
A2600:3c06::f03c:94ff:fef5:462eπŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP2600:3c06::/32 Akamai Technologies
A172.233.208.156πŸ‡ΊπŸ‡Έ AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies
PTRmail.cutheory.dev
TXTv=spf1 a:mail.cutheory.dev a:my.cutheory.dev a ~all
SOAns1.linode.combwag@colorado.edu serial=2021000165

dev

DNSSECπŸ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
πŸ”’ HSTS Preload (+subdomains)

MX for

Up

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSns1.linode.comns2.linode.comns3.linode.comns4.linode.comns5.linode.comMXmail.cutheory.devA172.233.208.1562600:3c06::f03c:94ff:fef5:462e
●NSns1.linode.com2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●NSns2.linode.com2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●NSns3.linode.com2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●NSns4.linode.com2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●NSns5.linode.com2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●MXmail.cutheory.dev2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●A172.233.208.1562026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42
●A2600:3c06::f03c:94ff:fef5:462e2026-02-26 β†’ 2026-02-26 Β· 2 obs
● 2026-02-26 20:19:28
● 2026-02-26 20:41:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
cutheory.devns1.linode.com, ns3.linode.com, ns4.linode.com, ns2.linode.com...-

βœ… Authoritative Response

Server: 92.123.94.2

NS records: ns1.linode.com, ns3.linode.com, ns4.linode.com, ns2.linode.com, ns5.linode.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cutheory.dev (unsigned zone)

⏱️ Timing

Total: 769ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1172.233.208.156
AAAA12600:3c06::f03c:94ff:fef5:462e
NS5ns4.linode.com, ns5.linode.com...
MX1mail.cutheory.dev (pri: 10)
TXT1v=spf1 a:mail.cutheory.dev a:my.cutheory
SOA1ns1.linode.com bwag.colorado.edu

AI analysis

cutheory.dev is parent of mail.cutheory.dev and git.cutheory.dev.

cutheory.dev serves as the mail server for mail.cutheory.dev.

cutheory.dev points to two IPs: 2600:3c06::f03c:94ff:fef5:462e and 172.233.208.156.

Other host names, such as mail.cutheory.dev and git.cutheory.dev, share IP numbers with cutheory.dev.

cutheory.dev is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

cutheory.dev at least partially shares name servers with other domains, including hodgsons.co.za, embusyliving.com, cfotech.in, pti.ph and yosia.net.

Host names with two IP numbers:

ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.

ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.

ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.

ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4.

ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2.

cutheory.dev is handled by a single mail server, mail.cutheory.dev.

mail.cutheory.dev points to two IPs: 2600:3c06::f03c:94ff:fef5:462e and 172.233.208.156.