dev-null.dk

📜 Historical scan 2026-06-18 23:07:02  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dev-null.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 20 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.9.18.239 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by 19f8521e.21.ik2.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   2062ms

🌍 A Records#

1 records   2034ms

📧 MX Records#

1 records   116ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   279ms
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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 10:28:14
www CNAMEsnulvin.org (all on snulvin.org)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

203ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2023093854
Primary NS (MNAME)get.desec.io
Responsible (RNAME)get@desec.io
Refresh86400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-08 10:43:01
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2008-02-20
Expires2026-11-30 (43d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
2062ms
A
2034ms
MX
116ms
AAAA
116ms
TXT
279ms
CAA
2042ms
HTTPS
115ms
TLSA
2075ms
SOA
0ms
MTA-STS
75ms
DNSSEC
203ms
SRV
181ms
Total
4757ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 10:28:14 1830ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 12:42:28 3816ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-01 10:15:58 2644ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-24 09:37:32 1526ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-18 15:21:01 1482ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-10 03:18:23 4213ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-05 23:47:58 1870ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 18:02:51 3171ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-20 17:54:45 2636ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-16 02:08:11 13252ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-14 05:53:28 5624ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-08 17:00:08 3402ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-05 22:30:22 1317ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-23 09:56:51 9281ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-16 10:15:33 1252ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-10 19:43:32 9471ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-03 18:20:17 4614ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-02 01:51:32 3704ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 23:07:02 shown 4757ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 02:50:36 3088ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-17 02:30:05 2884ms 2 NS 1 A 1 MX 🔒 Secure
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