dev-null.dk
📜 Historical scan 2026-07-03 18:20:17  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
🌍 A Records1 records   36ms
📧 MX Records1 records   49ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   155ms
TXT Record
google-site-verification=_YZfy9wKcQ_4CVCR9qRJKdFMGl3OAiMfh3O30hXS758
v=spf1 mx ip4:135.181.91.27 ip6:2a01:4f9:c010:cb2f::1 -all
✉️ SPF
PolicyRecord (dev-null.dk)
-all (hard fail) v=spf1 mx ip4:135.181.91.27 ip6:2a01:4f9:c010:cb2f::1 -all
📨 DMARC
PolicyRecord (_dmarc.dev-null.dk)
p=quarantine v=DMARC1;p=quarantine;sp=quarantine;adkim=r;aspf=r;fo=1;rf=afrf;rua=mailto:abuse@snulvin.org;ruf=mailto:abuse@snulvin.org
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2046ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023093856
Primary NS (MNAME)get.desec.io
Responsible (RNAME)get@desec.io
Refresh86400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
36ms
MX
49ms
AAAA
47ms
TXT
155ms
CAA
53ms
HTTPS
55ms
TLSA
852ms
SOA
0ms
MTA-STS
53ms
DNSSEC
2046ms
SRV
56ms
Total
4614ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:02:51 3171ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 17:54:45 2636ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-16 02:08:11 13252ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 05:53:28 5624ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-08 17:00:08 3402ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-05 22:30:22 1317ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 09:56:51 9281ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 10:15:33 1252ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 19:43:32 9471ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 18:20:17 4614ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 01:51:32 3704ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 23:07:02 4757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:50:36 3088ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:30:05 2884ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone