18
records
IPv4 Addresses
TTL
hsi.dhs.gov. 16 IN A 23.47.17.56
IPv6 Addresses
TTL
hsi.dhs.gov. 20 IN AAAA 2600:1408:C400:386:0:0:0:3FF9 hsi.dhs.gov. 20 IN AAAA 2600:1408:C400:390:0:0:0:3FF9
Name Servers
TTL
hsi.dhs.gov. 1200 IN NS irma.ns.cloudflare.com. hsi.dhs.gov. 1200 IN NS sam.ns.cloudflare.com.
Mail Servers
TTL
15m
15m
hsi.dhs.gov. 900 IN MX 10 mxb-00376703.gslb.gpphosted.com. hsi.dhs.gov. 900 IN MX 10 mxa-00376703.gslb.gpphosted.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2413284752
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
hsi.dhs.gov. 1200 IN SOA irma.ns.cloudflare.com. dns.cloudflare.com. 2413284752 10000 2400 604800 1800
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
15m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
hsi.dhs.gov. 900 IN DMARC v=DMARC1; p=reject; pct=100; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]
DKIM
TTL
DKIM
Selector
selector1
v=DKIM1
k=rsa
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2du+/o05Cx6u...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2du+/o05Cx6uzTvb5ITaL9k15KF0qgCMcgk/SKVWFUAUTwFCFgFzMy0ZHWZ/TQKNH0Lzo66X5Ff7EonM62V5uqQCGWvxYNPGN1cusAMUgknO7FVtC++D9u5N8WogQfFHk88a/CArWiQ4EgLw3b/TrxxZzE3RG4V91KUT/8iZzjh1Zaz1Yhs7+JnYuLIfQONX+gEVJgFzH+AkzOquI8501jDcrkhV7z4onIGYI5pHk3visEhzFBEqrSQjs0vpVC0dM7R5PtwwIihDd2nl/VKiVrEGRRlImgezvi1WbXgcQNZKZnsZYU3KEL3zBZ2SxX+1EXCAuNyVMEOKQN0Iq4dH/QIDAQAB
hsi.dhs.gov. 1200 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2du+/o05Cx6uzTvb5ITaL9k15KF0qgCMcgk/SKVWFUAUTwFCFgFzMy0ZHWZ/TQKNH0Lzo66X5Ff7EonM62V5uqQCGWvxYNPGN1cusAMUgknO7FVtC++D9u5N8WogQfFHk88a/CArWiQ4EgLw3b/TrxxZzE3RG4V91KUT/8iZzjh1Zaz1Yhs7+JnYuLIfQONX+gEVJgFzH+AkzOquI8501jDcrkhV7z4onIGYI5pHk3visEhzFBEqrSQjs0vpVC0dM7R5PtwwIihDd2nl/VKiVrEGRRlImgezvi1WbXgcQNZKZnsZYU3KEL3zBZ2SxX+1EXCAuNyVMEOKQN0Iq4dH/QIDAQAB;
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| - Fail | all |
—
|
|
5m
hsi.dhs.gov. 300 IN TXT "v=spf1 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com include:smtp.app.echomark.com -all"
Text Content
TTL
box-domain-verification=241b9c3b80299f1e6f1949470d74dc8e4d840b2df3097340815345d88d461979
5m
cisco-ci-domain-verification=1b18e5a0e914c88784c6f83feefad08a8fed317c5fd1ed223dc2843b777575f
5m
TXT
—
1b18e5a0e914c88784c6f83feefad08a8fed317c5fd1ed223dc2843b777575f
5m
hsi.dhs.gov. 300 IN TXT "box-domain-verification=241b9c3b80299f1e6f1949470d74dc8e4d840b2df3097340815345d88d461979" hsi.dhs.gov. 300 IN TXT "cisco-ci-domain-verification=1b18e5a0e914c88784c6f83feefad08a8fed317c5fd1ed223dc2843b777575f" hsi.dhs.gov. 300 IN TXT "1b18e5a0e914c88784c6f83feefad08a8fed317c5fd1ed223dc2843b777575f"
DNSSEC Public Keys
TTL
DNSKEY
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
20m
DNSKEY
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
20m
hsi.dhs.gov. 1200 IN DNSKEY 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ== hsi.dhs.gov. 1200 IN DNSKEY 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
Delegation Signer
TTL
DS
2371 13 2 1BC1D7EA8C886A7E38CC399517C65F03777394158BE47DF5B64A0F0E4DE3F0A7
5m
hsi.dhs.gov. 300 IN DS 2371 13 2 1BC1D7EA8C886A7E38CC399517C65F03777394158BE47DF5B64A0F0E4DE3F0A7
DNSSEC Next Secure
TTL
NSEC
.hsi.dhs.gov ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]
20m
hsi.dhs.gov. 1200 IN NSEC .hsi.dhs.gov ["TYPE65", "TYPE64", "TYPE61", "TYPE60", "TYPE59", "TYPE55", "TYPE53", "TYPE52", "DNSKEY", "NSEC", "RRSIG", "TYPE44", "TYPE37", "TYPE35", "SRV", "TYPE29", "AAAA", "TXT", "MX", "TYPE13", "PTR", "SOA", "NS", "A", "CAA", "TYPE256"]