playbook.dk

📜 Historical scan 2026-06-17 14:21:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

playbook.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 11 April 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.161.23.223 is hosted by Hetzner Online GmbH (AS213230) in United States. The zone is DNSSEC-signed and validates, has no 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 246ms

Nameserver	IP addresses	PTR	ASN / 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 219ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.161.23.223	—	static.223.23.161.5.clients.your-server.de	AS213230	Hetzner Online GmbH	5.161.0.0/16	🇺🇸 United States	Ashburn

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 21:47:41

www CNAME	rkkh7i7teogv.id.wasmer.app (all on wasmer.app) → 141.94.10.243 2001:41d0:20a:800::1214 (AS16276)
www vs bare domain	Different networks playbook.dk: 5.161.23.223 (AS213230) www.playbook.dk: 141.94.10.243 2001:41d0:20a:800::1214 (AS16276) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2133ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

235ms

Field	Value
Serial	2025070202
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-19 12:03:27

Field	Value
Registrar	Simply.com A/S
Registered	2008-04-11
Expires	2027-04-30 (191d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

246ms

219ms

225ms

AAAA

2091ms

TXT

2295ms

CAA

2095ms

HTTPS

237ms

TLSA

956ms

SOA

235ms

MTA-STS

76ms

DNSSEC

2133ms

SRV

0ms

Total

4397ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 18:36:31	370ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-13 06:57:15	555ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-26 15:56:01	539ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-25 12:31:55	549ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-17 14:21:07 shown	4397ms	4 NS 1 A 0 MX	🔒 Secure