cse.phd - robtex.com

cse.phd

DNSSEC⚠️ Not signed
A2600:9000:250b:1a00:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:4c00:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:5800:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:a400:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:b800:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:c800:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:f200:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A2600:9000:250b:fc00:18:7b16:da80:93a1🇺🇸 Amazon2600:9000:250b::/48
A18.160.18.6🇺🇸 Amazon18.160.16.0/21
A18.160.18.44🇺🇸 Amazon18.160.16.0/21
A18.160.18.45🇺🇸 Amazon18.160.16.0/21
A18.160.18.78🇺🇸 Amazon18.160.16.0/21
NSns-1699.awsdns-20.co.uk ⭐
A2600:9000:5306:a300::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1699.awsdns-20.co.uk
A205.251.198.163🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1699.awsdns-20.co.uk
NSns-1286.awsdns-32.org
A2600:9000:5305:600::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1286.awsdns-32.org
A205.251.197.6🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1286.awsdns-32.org
NSns-375.awsdns-46.com
A2600:9000:5301:7700::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-375.awsdns-46.com
A205.251.193.119🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-375.awsdns-46.com
NSns-593.awsdns-10.net
A2600:9000:5302:5100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-593.awsdns-10.net
A205.251.194.81🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-593.awsdns-10.net
SOAns-1699.awsdns-20.co.ukawsdns-hostmaster@amazon.com serial=1

phd

DNSSEC🔒 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
🔒 HSTS Preload (+subdomains)

Same first word

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DNS History

16 records (16 active, 0 former)

NSns-1286.awsdns-32.orgns-1699.awsdns-20.co.ukns-375.awsdns-46.comns-593.awsdns-10.netA18.160.18.4418.160.18.4518.160.18.618.160.18.782600:9000:250b:1a00:18:7b16:da80:93a12600:9000:250b:4c00:18:7b16:da80:93a12600:9000:250b:5800:18:7b16:da80:93a12600:9000:250b:a400:18:7b16:da80:93a12600:9000:250b:b800:18:7b16:da80:93a12600:9000:250b:c800:18:7b16:da80:93a12600:9000:250b:f200:18:7b16:da80:93a12600:9000:250b:fc00:18:7b16:da80:93a1
●NSns-1286.awsdns-32.org2026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●NSns-1699.awsdns-20.co.uk2026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●NSns-375.awsdns-46.com2026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●NSns-593.awsdns-10.net2026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A18.160.18.442026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A18.160.18.452026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A18.160.18.62026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A18.160.18.782026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:1a00:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:4c00:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:5800:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:a400:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:b800:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:c800:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:f200:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12
●A2600:9000:250b:fc00:18:7b16:da80:93a12026-03-17 → 2026-03-17 · 2 obs
● 2026-03-17 02:30:10
● 2026-03-17 02:30:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
phdns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
cse.phdns-1699.awsdns-20.co.uk, ns-593.awsdns-10.net, ns-375.awsdns-46.com, ns-1286.awsdns-32.org-

✅ Authoritative Response

Server: 205.251.193.119

NS records: ns-1699.awsdns-20.co.uk, ns-593.awsdns-10.net, ns-375.awsdns-46.com, ns-1286.awsdns-32.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cse.phd (unsigned zone)

⏱️ Timing

Total: 659ms | Queries: -

📄 Records

TypeCountSample Data
A418.160.18.44, 18.160.18.6...
AAAA82600:9000:250b:8e00:18:7b16:da80:93a1, 2600:9000:250b:3a00:18:7b16:da80:93a1...
NS4ns-1286.awsdns-32.org, ns-1699.awsdns-20.co.uk...
SOA1ns-1699.awsdns-20.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

cse.phd lists twelve IP numbers: 2600:9000:250b:1a00:18:7b16:da80:93a1, 2600:9000:250b:4c00:18:7b16:da80:93a1, 2600:9000:250b:5800:18:7b16:da80:93a1, 2600:9000:250b:a400:18:7b16:da80:93a1, 2600:9000:250b:b800:18:7b16:da80:93a1, 2600:9000:250b:c800:18:7b16:da80:93a1, 2600:9000:250b:f200:18:7b16:da80:93a1, 2600:9000:250b:fc00:18:7b16:da80:93a1, 18.160.18.6, 18.160.18.44, 18.160.18.45 and 18.160.18.78.

Other host names such as baitorucom.silveregg.net, d2zdnjf28jv0mo.cloudfront.net, forum.ucpa.com, honcho.com.au and client.my.f-sos.net share IP numbers with cse.phd.

Name Servers

cse.phd is delegated to four name servers: ns-375.awsdns-46.com, ns-593.awsdns-10.net, ns-1286.awsdns-32.org and ns-1699.awsdns-20.co.uk.

At least part of the name servers for cse.phd are shared with other domains, for instance globeobituaries.ca, ionica.co.nz, starrett.com.br, chapterspot.dev and tradeinterop.co.uk.

Host names with two IP numbers:

ns-375.awsdns-46.com points to: 2600:9000:5301:7700::1 and 205.251.193.119

ns-593.awsdns-10.net points to: 2600:9000:5302:5100::1 and 205.251.194.81

ns-1286.awsdns-32.org points to: 2600:9000:5305:600::1 and 205.251.197.6

ns-1699.awsdns-20.co.uk points to: 2600:9000:5306:a300::1 and 205.251.198.163