stb.gov - robtex.com
stb.gov
gov
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.gov ⭐ | ||||||
| NS | b.ns.gov | ||||||
| NS | c.ns.gov | ||||||
| NS | d.ns.gov | ||||||
| SOA | a.ns.govdns@cloudflare.com serial=1772260201 | ||||||
rank #1069 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #521,345
Subdomains
mailgw1.stb.gov |
www.stb.gov |
mailgw2.stb.gov |
lmail.stb.gov |
stbhqsmtp.stb.gov |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSsauthns1.qwest.net2016-08-15 → 2026-02-28 · 5 obs
● 2017-08-13 23:25:30
○ 2018-03-02 02:45:20
● 2021-09-30 23:17:02
● 2026-02-28 18:04:48
○MXmailgw1.stb.gov2016-09-26 → 2017-08-13 · 5 obs
● 2016-09-26 20:58:24
● 2017-08-13 23:25:30
○ 2018-03-02 02:45:20
○ 2026-02-28 18:04:48
○MXmailgw2.stb.gov2016-09-26 → 2017-08-13 · 5 obs
● 2016-09-26 20:58:24
● 2017-08-13 23:25:30
○ 2018-03-02 02:45:20
○ 2026-02-28 18:04:48
●MXstb-gov.mail.protection.outlook.com2018-03-02 → 2026-02-28 · 3 obs
● 2018-03-02 02:45:20
● 2026-02-28 18:04:48
○MXstbhqsmtp.stb.gov2016-08-15 → 2016-09-09 · 4 obs
● 2016-09-09 09:44:24
○ 2016-09-26 20:58:24
○ 2026-02-28 18:04:48
●A192.0.66.2132026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 18:04:48
○A52.0.55.1412021-09-30 → 2021-09-30 · 3 obs
● 2021-09-30 23:17:02
○ 2026-02-28 18:04:48
○A67.133.53.1992016-09-09 → 2021-03-12 · 4 obs
● 2021-03-12 22:00:06
○ 2021-09-30 23:17:02
○ 2026-02-28 18:04:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gov | b.ns.gov, c.ns.gov, d.ns.gov, a.ns.gov | 8 records |
| stb.gov | sauthns1.qwest.net, sauthns2.qwest.net | - |
✅ Authoritative Response
Server: 208.44.130.121
NS records: sauthns1.qwest.net, sauthns2.qwest.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 404ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.0.66.213 |
| NS | 2 | sauthns1.qwest.net, sauthns2.qwest.net |
| MX | 1 | stb-gov.mail.protection.outlook.com (pri |
| TXT | 3 | adobe-idp-site-verification=d21b75f21c7e, v=spf1 mx ip4:67.133.53.196/27 ip4:65.14... |
| SOA | 1 | sauthns2.qwest.net dns-admin.qwestip.net |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (d.ns.gov, c.ns.gov, b.ns.gov...)
Analysis
Hierarchy
stb.gov is parent of mailgw1.stb.gov, www.stb.gov, mailgw2.stb.gov, lmail.stb.gov and stbhqsmtp.stb.gov.
IP Addresses
stb.gov points to a single IP: 192.0.66.213.
Name Servers
Two name servers sauthns1.qwest.net and sauthns2.qwest.net handle delegation for stb.gov.
stb.gov uses the same name server setup as other domains, for example agile1.com, consumerfinancialprotectionbureau.gov, medentcq.com, consumerprotectionbureau.gov and 157.63.in-addr.arpa.
stb.gov partially shares name servers with other domains; examples include fec.gov, 100.65.in-addr.arpa, nea.gov, 51.94.192.in-addr.arpa and arts.gov.
These name servers are commonly used with sauthns1.lumen.tech, sauthns2.lumen.tech and 25munaguwq.cloudflare-gateway.com.
Host names with two IP numbers:
sauthns1.qwest.net points to: 2001:428::7 and 63.150.72.5
sauthns2.qwest.net points to: 2001:428::8 and 208.44.130.121
Mail Servers
stb.gov is handled by a single mail server, stb-gov.mail.protection.outlook.com.
Hostname stb-gov.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f900::1, 2a01:111:f403:f904::, 2a01:111:f403:f904::1, 2a01:111:f403:f90e::1, 52.101.8.50, 52.101.8.52, 52.101.9.19 and 52.101.11.12.