irs.gov
The domain irs.gov answers at IP address 152.216.11.110. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for irs.gov goes through 3 servers; the highest priority one is emge.irs.gov. It also publishes 3 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 152.216.11.110 10800s
- 152.216.7.110 10800s
AAAA AAAA records
- 2610:30:4000:402::110 10800s
- 2610:30:2000:402::110 10800s
MX MX records
- 10 emge.irs.gov 1439s
- 10 emgc.irs.gov 1439s
- 20 emgw.irs.gov 1439s
NS NS records
TXT TXT records
- v=spf1 ip4:152.216.0.0/20 ip6:2610:30::/32 -all 300s
- kiro-site-verification=30924362-d3a8-4ebd-a33e-55d29bc6452b 300s
- google-site-verification=GsJzgbUY39iE6wPNlPdZCPGWwyhYpWwxpVxaU8g-Aa4 300s
SOA SOA records
- ns1.irs.gov 900s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 15 hours ago.