offsec.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status

offsec.dev

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

Previous names

Next names

DNS History

7 records (7 active, 0 former)

NSns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comMXmxa.mailgun.orgmxb.mailgun.orgA185.199.108.153
NSns-cloud-b1.googledomains.com2026-08-30 → 2026-09-04 · 2 obs
● 2026-08-30 16:08:28
● 2026-09-04 03:50:20
NSns-cloud-b2.googledomains.com2026-08-30 → 2026-09-04 · 2 obs
● 2026-08-30 16:08:28
● 2026-09-04 03:50:20
NSns-cloud-b3.googledomains.com2026-08-30 → 2026-09-04 · 2 obs
● 2026-08-30 16:08:28
● 2026-09-04 03:50:20
NSns-cloud-b4.googledomains.com2026-08-30 → 2026-09-04 · 2 obs
● 2026-08-30 16:08:28
● 2026-09-04 03:50:20
MXmxa.mailgun.org2026-08-30 → 2026-09-04 · 4 obs
● 2026-08-30 16:08:28
○ 2026-09-02 22:55:42
● 2026-09-03 00:10:04
● 2026-09-04 03:50:20
MXmxb.mailgun.org2026-08-30 → 2026-09-04 · 4 obs
● 2026-08-30 16:08:28
○ 2026-09-02 22:55:42
● 2026-09-03 00:10:04
● 2026-09-04 03:50:20
A185.199.108.1532026-08-30 → 2026-09-04 · 4 obs
● 2026-08-30 16:08:28
○ 2026-09-02 22:55:42
● 2026-09-03 00:10:04
● 2026-09-04 03:50:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
offsec.devns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com-

✅ Authoritative Response

Server:216.239.32.107

NS records: ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

TypeCountSample Data
A1185.199.108.153
NS4ns-cloud-b2.googledomains.com, ns-cloud-b4.googledomains.com...
MX2mxb.mailgun.org (pri: 10), mxa.mailgun.org (pri: 10)
TXT1v=spf1 include:mailgun.org ~all
SOA1ns-cloud-b1.googledomains.com cloud-dns-

Analysis

IP Addresses

offsec.dev points to a single IP number: 185.199.108.153.

Additional host names — yobusinessoperations.com, jublio.pl, plumbproprep.com and two others — share IP numbers with offsec.dev.

Name Servers

offsec.dev has four authoritative name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

offsec.dev has at least partial name server overlap with other domains, such as buro-kollab.com, 0-1.design, devflix.io and two others.

ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com all point to exactly two IP numbers each: ns-cloud-b1.googledomains.com216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com216.239.38.107 and 2001:4860:4802:38::6b.

Mail Servers

offsec.dev has two mail servers: mxa.mailgun.org and mxb.mailgun.org.

offsec.dev shares the same mail server setup as other domains, including katalane.com, lightshipledger.com, understandingcrypto.org and two others.

offsec.dev shares mail servers — at least in part — with other domains, including selectblog.co.il, glacierrig.com, nqsignals.com and two others.

mxa.mailgun.org directs to 34.149.254.5 and mxb.mailgun.org directs to 34.36.182.139; each host name points to exactly one IP number.