blackwriters.dk

Records from scan: 2026-10-10 16:35:16 · 858ms total · last checked 2026-10-17 00:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blackwriters.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.143 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.143	3600s	webcluster16.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	108.177.14.26 108.177.14.27 209.85.233.27 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 74.125.131.26 74.125.131.27	lt-in-f26.1e100.net lt-in-f27.1e100.net lr-in-f27.1e100.net lr-in-x1a.1e100.net lr-in-f26.1e100.net lu-in-f26.1e100.net lu-in-x1a.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net lu-in-f26.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	blackwriters.dk → 77.111.240.143
🔶 Autoconfig	blackwriters.dk → 77.111.240.143

🔷 AAAA Records (IPv6)#

1 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:78:deb7:c564:30be	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 147ms

TXT Record
facebook-domain-verification=pcekb0sf9oei1gvx557a968ey3hlws
google-site-verification=_GdCHm6ltk_2fvHfhqE5HCBDjZWPxhTcQ0D0aIwQ_jk
google-site-verification=C0NpdnpaotRLkDyjGAQdzmYwBJlzUMZCQ9A-VdESwL0

✉️ 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#

checked 2026-10-10 16:35:16

www	77.111.240.143 2a02:2350:5:102:78:deb7:c564:30be (AS51468) (address records, no CNAME)
www vs bare domain	Same network blackwriters.dk: 77.111.240.143 2a02:2350:5:102:78:deb7:c564:30be (AS51468) www.blackwriters.dk: 77.111.240.143 2a02:2350:5:102:78:deb7:c564:30be (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026101006
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 23:54:36

Field	Value
Registrar	ONE.COM A/S
Registered	2016-07-03
Expires	2027-07-31 (287d)

🔗 Same registrant#

4 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
bureaukronberg.dk	ONE.COM A/S
danishschool.dk	ONE.COM A/S
mitvisum.dk	ONE.COM A/S
thaiintegration.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

34ms

35ms

37ms

AAAA

36ms

TXT

147ms

CAA

32ms

HTTPS

37ms

TLSA

101ms

SOA

33ms

MTA-STS

55ms

DNSSEC

108ms

SRV

56ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:35:16 shown	858ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 06:52:18	1610ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-24 04:24:40	949ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-20 01:06:43	1813ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-06 21:18:45	5199ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-26 23:30:24	14068ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-17 21:44:52	1800ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-16 14:38:15	1070ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-24 00:12:03	976ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 14:46:28	664ms	2 NS 1 A 5 MX	🔒 Secure