coffa.gov - robtex.com
coffa.gov
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.142.191.107🇺🇸 Mettel_16524159.142.190.0/23 | ||||||
| PTR | host.159-142-191-107.gsa.gov | ||||||
| NS | dns2.gsa.gov ⭐ | ||||||
| A | 76.223.24.135🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a6591f05dc319c631.awsglobalaccelerator.com | ||||||
| NS | dns.gsa.gov | ||||||
| A | 2600:1f16:8f2:d500::4🇺🇸 Amazon2600:1f16:800::/38 AMAZON AWS | ||||||
| A | 13.248.142.184🇺🇸 Amazon13.248.128.0/20 | ||||||
| PTR | ab1b5819d71342626.awsglobalaccelerator.com | ||||||
| NS | dns3.gsa.gov | ||||||
| A | 13.248.144.182🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a6591f05dc319c631.awsglobalaccelerator.com | ||||||
| NS | dns4.gsa.gov | ||||||
| A | 2600:1f14:653:bb00:b24e:739c:b87d:8fee🇺🇸 Amazon2600:1f14::/37 AMAZON AWS | ||||||
| A | 13.248.149.147🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a7377a60fa9bc0787.awsglobalaccelerator.com | ||||||
| NS | dns5.gsa.gov | ||||||
| A | 76.223.9.162🇺🇸 Amazon76.223.0.0/20 | ||||||
| PTR | ab1b5819d71342626.awsglobalaccelerator.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | dns.gsa.govhostmaster@gsa.gov serial=794833508 | ||||||
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=1776632405 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●A159.142.191.1072026-02-15 → 2026-04-19 · 2 obs
● 2026-04-19 21:14:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| gov | a.ns.gov, b.ns.gov, c.ns.gov, d.ns.gov | - |
| coffa.gov | dns.gsa.gov, dns2.gsa.gov, dns3.gsa.gov, dns4.gsa.gov... | 7 records |
✅ Authoritative Response
Server:13.248.142.184
NS records: dns.gsa.gov, dns2.gsa.gov, dns3.gsa.gov, dns4.gsa.gov, dns5.gsa.gov
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.142.191.107 |
| NS | 5 | dns.gsa.gov, dns5.gsa.gov... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns.gsa.gov hostmaster.gsa.gov |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (dns.gsa.gov, dns.gsa.gov, dns2.gsa.gov...)
Analysis
IP Addresses
coffa.gov resolves to one IP number: 159.142.191.107.
Other host names, for instance fpc.gov, realpropertyprofile.gov, evaluation.gov, fmi.gov and servicedesk.gsa.gov share IP numbers with coffa.gov.
Name Servers
coffa.gov is delegated to five name servers: dns2.gsa.gov, dns3.gsa.gov, dns4.gsa.gov, dns5.gsa.gov and dns.gsa.gov.
coffa.gov at least partially shares name servers with other domains, including helpamericavote.gov, thenamingcommission.gov, forms.gov, councils.gov and info.gov.
These name servers are commonly used with dns6.gsa.gov.
Host names with two IP numbers:
The host name dns4.gsa.gov points to 2600:1f14:653:bb00:b24e:739c:b87d:8fee and 13.248.149.147.
The host name dns.gsa.gov points to 2600:1f16:8f2:d500::4 and 13.248.142.184.
Host names with one IP number:
The host name dns2.gsa.gov points to 76.223.24.135.
The host name dns3.gsa.gov points to 13.248.144.182.
The host name dns5.gsa.gov points to 76.223.9.162.