blackwriters.dk DNS records

🖥️ Nameservers2 records 410ms

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 Records1 records 412ms

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 Records5 records 411ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a	yulpptr-in-f27.1e100.net le-in-x1a.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	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 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:7f:b676:e3b4:ec3a	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 Records3 records 542ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC9066ms

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

🏷️ SOA23ms

Field	Value
Serial	2026071605
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

410ms

A

412ms

MX

411ms

AAAA

29ms

TXT

542ms

CAA

410ms

HTTPS

29ms

TLSA

102ms

SOA

23ms

MTA-STS

422ms

DNSSEC

9066ms

SRV

418ms

Total

14068ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-26 23:30:24	14068ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-17 21:44:52	1800ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-16 14:38:15	1070ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-24 00:12:03	976ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-16 14:46:28	664ms	2 NS 1 A 5 MX	🔒 Secure	View