dev-null.dk

📜 Historical scan 2026-10-01 10:15:58  ·  ← 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   40ms

🌍 A Records#

1 records   42ms

📧 MX Records#

1 records   41ms

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   173ms
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#

120ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

49ms
FieldValue
Serial2023093869
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
40ms
A
42ms
MX
41ms
AAAA
39ms
TXT
173ms
CAA
46ms
HTTPS
43ms
TLSA
280ms
SOA
49ms
MTA-STS
58ms
DNSSEC
120ms
SRV
57ms
Total
2644ms

🕐 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 shown 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 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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