head9x.dk

📜 Historical scan 2026-07-28 02:22:27  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

head9x.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 17 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.110.196.59 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.head9x.dk. 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#

4 records   28ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
2.110.196.59 3600s — AS203953 Hiper A/S 2.110.128.0/17 🇩🇰 Denmark Esbjerg

📧 MX Records#

1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s mail.head9x.dk 157.180.39.122
2a01:4f9:c013:508::1		 mail.head9x.dk
mail.head9x.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.head9x.dk → 157.180.39.122
🔶 Autoconfigmail.head9x.dk → 157.180.39.122

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   33ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 mail.head9x.dk

📝 TXT Records#

1 records   134ms
TXT Record
v=spf1 ip4:157.180.39.122 ip6:2a01:4f9:c013:508::1 -all

✉️ SPF#

PolicyRecord (head9x.dk)
-all (hard fail) v=spf1 ip4:157.180.39.122 ip6:2a01:4f9:c013:508::1 -all

📨 DMARC#

PolicyRecord (_dmarc.head9x.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@head9x.dk; ruf=mailto:dmarc@head9x.dk; fo=0; adkim=r; aspf=r; rf=afrf; sp=quarantine

📬 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 2026-10-20 04:39:35
www2.110.196.59 (AS203953) (address records, no CNAME)
www vs bare domainSame network
head9x.dk: 2.110.196.59 (AS203953)
www.head9x.dk: 2.110.196.59 (AS203953)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   59ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.head9x.dk DANE-EE · SPKI · SHA-256 C905F646DC74460886D9387A2856E872…

🔐 DNSSEC#

54ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026072701
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-19 04:32:46
FieldValue
RegistrarSimply.com A/S
Registered2021-01-17
Expires2027-01-31 (102d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
kejsdiving.dkSimply.com A/S
opkræw.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
28ms
MX
29ms
AAAA
28ms
TXT
134ms
CAA
28ms
HTTPS
16ms
TLSA
59ms
SOA
0ms
MTA-STS
37ms
DNSSEC
54ms
SRV
33ms
Total
942ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 04:39:35 606ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-19 04:21:57 647ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-15 00:43:26 1312ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-12 21:58:33 1915ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-11 21:28:35 1801ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-02 12:52:22 1266ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 12:47:55 798ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-29 19:49:50 1382ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 14:56:40 862ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-16 06:17:07 1027ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-13 19:04:06 4636ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-28 02:22:27 shown 942ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-30 10:55:50 991ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 17:22:58 823ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-22 02:01:10 955ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 11:05:31 888ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 11:02:37 751ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 10:54:02 1432ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 10:53:48 1625ms 4 NS 1 A 1 MX 🔒 Secure
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