custology.com - robtex.com
custology.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.249.12.12🇺🇸 AS40551209.249.12.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| NS | adelaide.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2601🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c201🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2201🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| A | 108.162.194.1🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| A | 162.159.38.1Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| A | 172.64.34.1🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | adelaide.ns.cloudflare.com | ||||||
| NS | jay.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 108.162.193.123🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 172.64.33.123🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 173.245.59.123🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| MX | mail.custology.com ⭐ | ||||||
| A | 209.249.12.17🇺🇸 AS40551209.249.12.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| SOA | adelaide.ns.cloudflare.comdns@cloudflare.com serial=2398198905 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774396652 | ||||||
Subdomains
mail.custology.com |
Same first word
custology.com |
DNS History
8 records (4 active, 4 former)
●NSadelaide.ns.cloudflare.com2026-03-15 → 2026-03-25 · 3 obs
● 2026-03-15 11:36:34
● 2026-03-25 00:24:20
●NSjay.ns.cloudflare.com2026-03-15 → 2026-03-25 · 3 obs
● 2026-03-15 11:36:34
● 2026-03-25 00:24:20
○NSns1.custology.com2015-08-17 → 2017-06-14 · 4 obs
● 2017-06-14 18:15:18
○ 2026-03-15 11:36:34
○ 2026-03-25 00:24:20
○NSns2.custology.com2015-08-17 → 2017-06-14 · 4 obs
● 2017-06-14 18:15:18
○ 2026-03-15 11:36:34
○ 2026-03-25 00:24:20
○NSns3.custology.com2015-08-17 → 2017-06-14 · 4 obs
● 2017-06-14 18:15:18
○ 2026-03-15 11:36:34
○ 2026-03-25 00:24:20
○NSns4.custology.com2015-08-17 → 2017-06-14 · 4 obs
● 2017-06-14 18:15:18
○ 2026-03-15 11:36:34
○ 2026-03-25 00:24:20
●MXmail.custology.com2015-08-17 → 2026-03-25 · 2 obs
● 2026-03-25 00:24:20
●A209.249.12.122015-08-17 → 2026-03-25 · 2 obs
● 2026-03-25 00:24:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net... | - |
| custology.com | jay.ns.cloudflare.com, adelaide.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.1
NS records: jay.ns.cloudflare.com, adelaide.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for custology.com (unsigned zone)
⏱️ Timing
Total: 149ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.249.12.12 |
| NS | 2 | adelaide.ns.cloudflare.com, jay.ns.cloudflare.com |
| MX | 1 | mail.custology.com (pri: 10) |
| SOA | 1 | adelaide.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (jay.ns.cloudflare.com, jay.ns.cloudflare.com, jay.ns.cloudflare.com...)
Analysis
Hierarchy
The parent of mail.custology.com is custology.com.
IP Addresses
custology.com points to a single IP address: 209.249.12.12.
Other host names, for instance cropfosters.co.uk, share IP numbers with custology.com.
Name Servers
Two name servers adelaide.ns.cloudflare.com and jay.ns.cloudflare.com handle the delegation for custology.com.
custology.com shares the same name server setup as other domains, for example thefosters.co, aleksandrfesenko.ru, mielusa.org, viralreporter.net and gxgkcat.com.
custology.com at least partially shares name servers with other domains, for example tzjd.org, polovnikk.ru, chgcoin.org, soiveheard.com and towoojaszansatrazzpl.com.
these name servers are commonly used alongside tom.ns.cloudflare.com name servers.
Host names with six IP numbers:
adelaide.ns.cloudflare.com points to 2606:4700:50::a29f:2601, 2803:f800:50::6ca2:c201, 2a06:98c1:50::ac40:2201, 108.162.194.1, 162.159.38.1 and 172.64.34.1.
jay.ns.cloudflare.com points to 2606:4700:58::adf5:3b7b, 2803:f800:50::6ca2:c17b, 2a06:98c1:50::ac40:217b, 108.162.193.123, 172.64.33.123 and 173.245.59.123.
Mail Servers
The mail.custology.com mail server handles custology.com.
mail.custology.com points to a single IP number: 209.249.12.17.