core-principles.com - robtex.com

core-principles.com

DNSSEC⚠️ Not signed
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
PTRcdn-185-199-108-153.github.com
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NSns-103.awsdns-12.com ⭐
A2600:9000:5300:6700::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-103.awsdns-12.com
A205.251.192.103🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-103.awsdns-12.com
NSns-1018.awsdns-63.net
A2600:9000:5303:fa00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-1018.awsdns-63.net
A205.251.195.250🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-1018.awsdns-63.net
NSns-1420.awsdns-49.org
A2600:9000:5305:8c00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1420.awsdns-49.org
A205.251.197.140🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1420.awsdns-49.org
NSns-1988.awsdns-56.co.uk
A2600:9000:5307:c400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1988.awsdns-56.co.uk
A205.251.199.196🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1988.awsdns-56.co.uk
TXTgoogle-site-verification=tB62r8p-o7M4eGysjBl8SI8_jnNaeWtZb91IiaV4FL0
SOAns-103.awsdns-12.comawsdns-hostmaster@amazon.com serial=1

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=1771291435

DNS History

16 records (8 active, 8 former)

2017201820192020202120222023202420252026NSns-1018.awsdns-63.netns-103.awsdns-12.comns-1420.awsdns-49.orgns-1988.awsdns-56.co.ukns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usMXmx00.1and1.commx01.1and1.comA185.199.108.153185.199.109.153185.199.110.153185.199.111.1532607:f1c0:1000:901b:696f:69b6:d53b:781674.208.215.69
●NSns-1018.awsdns-63.net2026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●NSns-103.awsdns-12.com2026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●NSns-1420.awsdns-49.org2026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●NSns-1988.awsdns-56.co.uk2026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
○NSns-us.1and1-dns.com2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○NSns-us.1and1-dns.de2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○NSns-us.1and1-dns.org2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○NSns-us.1and1-dns.us2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○MXmx00.1and1.com2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○MXmx01.1and1.com2016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
●A185.199.108.1532026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●A185.199.109.1532026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●A185.199.110.1532026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
●A185.199.111.1532026-03-08 → 2026-03-08 · 2 obs
○ 2017-10-27 21:02:46
● 2026-03-08 02:35:38
○A2607:f1c0:1000:901b:696f:69b6:d53b:78162016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38
○A74.208.215.692016-12-14 → 2017-10-27 · 3 obs
● 2016-12-14 19:31:18
● 2017-10-27 21:02:46
○ 2026-03-08 02:35:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
core-principles.comns-103.awsdns-12.com, ns-1018.awsdns-63.net, ns-1988.awsdns-56.co.uk, ns-1420.awsdns-49.org1 record

✅ Authoritative Response

Server: 205.251.197.140

NS records: ns-103.awsdns-12.com, ns-1018.awsdns-63.net, ns-1988.awsdns-56.co.uk, ns-1420.awsdns-49.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-principles.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.110.153, 185.199.108.153...
NS4ns-1018.awsdns-63.net, ns-103.awsdns-12.com...
TXT1google-site-verification=tB62r8p-o7M4eGy
SOA1ns-103.awsdns-12.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-103.awsdns-12.com)

Analysis

IP Addresses

core-principles.com points to four IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

For instance, other host names yfiua.github.io, sirwitcher.github.io, shreya-2410.github.io, sumikawa.github.io and invenia.github.io share IP numbers with core-principles.com.

Name Servers

core-principles.com is delegated to four name servers: ns-103.awsdns-12.com, ns-1018.awsdns-63.net, ns-1420.awsdns-49.org and ns-1988.awsdns-56.co.uk.

core-principles.com shares name servers with other domains at least partially, for example apiaas.com, d1dmeuq05trqew.cloudfront.net, pier.digital, stevenlyonsfuneralhome.com and abrh.org.br.

These name servers are commonly used with ns-579.awsdns-08.net.

Host names with two IP numbers:

ns-103.awsdns-12.com points to: 2600:9000:5300:6700::1 and 205.251.192.103

ns-1018.awsdns-63.net points to: 2600:9000:5303:fa00::1 and 205.251.195.250

ns-1420.awsdns-49.org points to: 2600:9000:5305:8c00::1 and 205.251.197.140

ns-1988.awsdns-56.co.uk points to: 2600:9000:5307:c400::1 and 205.251.199.196