external.dev - dns.ninja

external.dev

DNSSEC⚠️ Not signed
NSns-cloud-c1.googledomains.com
A2001:4860:4802:32::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c1.googledomains.com
A216.239.32.108🇺🇸 Google216.239.32.0/24
PTRns-cloud-c1.googledomains.com
NSns-cloud-c2.googledomains.com
A2001:4860:4802:34::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c2.googledomains.com
A216.239.34.108🇺🇸 Google216.239.34.0/24
PTRns-cloud-c2.googledomains.com
NSns-cloud-c3.googledomains.com
A2001:4860:4802:36::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c3.googledomains.com
A216.239.36.108🇺🇸 Google216.239.36.0/24
PTRns-cloud-c3.googledomains.com
NSns-cloud-c4.googledomains.com
A2001:4860:4802:38::6c🇺🇸 Google2001:4860::/32
PTRns-cloud-c4.googledomains.com
A216.239.38.108🇺🇸 Google216.239.38.0/24
PTRns-cloud-c4.googledomains.com
MXaspmx.l.google.com
A2607:f8b0:4004:c21::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
PTRww-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTMS=ms48925838
SOAns-cloud-c1.googledomains.comcloud-dns-hostmaster@google.com serial=16

dev

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

Similar names

DNS History

9 records (9 active, 0 former)

NSns-cloud-c1.googledomains.comns-cloud-c2.googledomains.comns-cloud-c3.googledomains.comns-cloud-c4.googledomains.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.com
NSns-cloud-c1.googledomains.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
NSns-cloud-c2.googledomains.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
NSns-cloud-c3.googledomains.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
NSns-cloud-c4.googledomains.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
MXalt1.aspmx.l.google.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
MXalt2.aspmx.l.google.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
MXalt3.aspmx.l.google.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
MXalt4.aspmx.l.google.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08
MXaspmx.l.google.com2026-03-05 → 2026-06-06 · 2 obs
● 2026-03-05 04:18:36
● 2026-06-06 19:22:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
external.devns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com-

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for external.dev (unsigned zone)

⏱️ Timing

Total: 857ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com...
MX5aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)...
TXT2MS=ms48925838, v=spf1 include:_spf.google.com ~all
SOA1ns-cloud-c1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 10

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

Analysis

Name Servers

The DNS delegation for external.dev covers 4 name servers — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

There is at least partial name server overlap between external.dev and other domains — szkkkk.com, pinkoffice.com, p2ptracker.net and two more among them.

These name servers are routinely deployed together with the name servers ns1.mirusresearch.com.

All four hostnames — ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-c1.googledomains.com to 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com to 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com to 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com to 216.239.38.108 and 2001:4860:4802:38::6c.

Mail Servers

external.dev is handled by 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

external.dev shares mail servers — at least in part — with other domains, including kayser.co.il, authenticweb.marketing, vitanime.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and three others.

Host names with two IP numbers:

The A records for aspmx.l.google.com return 142.251.167.27 and 2607:f8b0:4004:c21::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 173.194.76.26 and 2a00:1450:400c:c00::1b.