blackbook.dk

📜 Historical scan 2026-09-30 06:19:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blackbook.dk is a .dk domain served by 2 nameservers (lana.ns.cloudflare.com, ram.ns.cloudflare.com). It was registered on 12 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com and 1 more. The zone is not DNSSEC-signed, 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#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ram.ns.cloudflare.com	108.162.193.225 172.64.33.225 173.245.59.225 2606:4700:58::adf5:3be1 2803:f800:50::6ca2:c1e1 2a06:98c1:50::ac40:21e1	ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.ns.cloudflare.com ram.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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	300s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—
216.150.16.1	300s	—	AS16509	Amazon.com, Inc.	216.150.16.0/24	🇺🇸 United States	—

📧 MX Records#

3 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
20	300s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
30	300s	spam.micusto.com	94.237.28.65	spam.micusto.com	AS202053 UpCloud Ltd

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 169ms

TXT Record
apple-domain=oOoVOomMhwoGlTcO
google-site-verification=3axHeftPnz0kNtEeqtCCAvGsy9ufHfFf79NL2PltxTY
v=spf1 include:icloud.com ~all
v=spf1 mx include:_spf.dcmediahosting.com ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (blackbook.dk)
~all (soft fail)	v=spf1 include:icloud.com ~all
~all (soft fail)	v=spf1 mx include:_spf.dcmediahosting.com ~all

📨 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 2026-10-13 03:09:35

www CNAME	29620bc4bcc7850d.vercel-dns-016.com (all on vercel-dns-016.com) → 216.150.1.193 216.150.16.193 (AS16509)
www vs bare domain	Same network blackbook.dk: 216.150.1.1 216.150.16.1 (AS16509) www.blackbook.dk: 216.150.1.193 216.150.16.193 (AS16509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415223451
Primary NS (MNAME)	lana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 09:22:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-10-12
Expires	2026-12-31 (75d)

🔗 Same registrant#

3 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).

Domain	Registrar
141.dk	Punktum dk A/S (direct)
lowandslow.dk	Punktum dk A/S (direct)
villavillage.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

55ms

37ms

AAAA

59ms

TXT

169ms

CAA

45ms

HTTPS

58ms

TLSA

214ms

SOA

0ms

MTA-STS

46ms

DNSSEC

77ms

SRV

53ms

Total

671ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:19:47	653ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-01 06:27:14	2289ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-30 06:19:33 shown	671ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-27 19:30:05	9866ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-24 06:06:14	1035ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-17 08:36:04	2745ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-09 02:33:29	1097ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-03 13:45:42	3974ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-20 10:25:32	1706ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-02 02:23:17	1595ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-23 06:18:21	4826ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-21 17:12:13	1174ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 23:52:15	1078ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 14:45:33	919ms	2 NS 2 A 3 MX	🔓 Insecure