skyhook.dk

Records from scan: 2026-10-10 04:04:53 · 673ms total · last checked 2026-10-21 17:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skyhook.dk is a .dk domain served by 2 nameservers (gene.ns.cloudflare.com, jeremy.ns.cloudflare.com). It was registered on 23 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.8 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
gene.ns.cloudflare.com	108.162.192.158 172.64.32.158 173.245.58.158 2606:4700:50::adf5:3a9e 2803:f800:50::6ca2:c09e 2a06:98c1:50::ac40:209e	gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com gene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jeremy.ns.cloudflare.com	108.162.193.180 172.64.33.180 173.245.59.180 2606:4700:58::adf5:3bb4 2803:f800:50::6ca2:c1b4 2a06:98c1:50::ac40:21b4	jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com jeremy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.8	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.200	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2608	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d8c8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.8,172.67.216.200 ech=AEX+DQBBAAAgACCCYJ8ekeM9kkswYP8u9e9ik5com1V9b8zjT/8Dp+dLZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2608,2606:4700:3034::ac43:d8c8

📝 TXT Records#

1 records 161ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (skyhook.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.skyhook.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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#

checked 2026-10-10 04:04:53

www	104.21.38.8 172.67.216.200 2606:4700:3030::6815:2608 2606:4700:3034::ac43:d8c8 (AS13335) (address records, no CNAME)
www vs bare domain	Same network skyhook.dk: 104.21.38.8 172.67.216.200 2606:4700:3030::6815:2608 2606:4700:3034::ac43:d8c8 (AS13335) www.skyhook.dk: 104.21.38.8 172.67.216.200 2606:4700:3030::6815:2608 2606:4700:3034::ac43:d8c8 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 107ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…

🔐 DNSSEC#

86ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

50ms

Field	Value
Serial	2417012080
Primary NS (MNAME)	gene.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 03:17:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-08-23
Expires	2027-04-30 (190d)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

47ms

39ms

AAAA

40ms

TXT

161ms

CAA

46ms

HTTPS

48ms

TLSA

107ms

SOA

50ms

MTA-STS

75ms

DNSSEC

86ms

SRV

61ms

Total

673ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 04:04:53 shown	673ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-09 03:57:30	494ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-09 03:15:20	4288ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-07 03:05:11	479ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-22 23:15:25	1534ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-10 03:13:24	1124ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-31 18:25:43	732ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-18 19:27:54	6981ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-08 05:03:19	1119ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-15 22:40:52	24751ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-08 16:29:27	2819ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-26 03:32:25	811ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 08:14:30	1209ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 17:00:22	1218ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 11:55:04	1341ms	2 NS 1 A 4 MX	🔒 Secure