isbn-kontoret.dk DNS records

🖥️ Nameservers2 records 24ms

Nameserver	IP addresses	PTR	ASN / ISP
sec1.rcode0.net	192.174.68.100 2001:67c:1bc::100	sec1.rcode0.at c.ns.unihost.eu	AS1921 ipcom GmbH AS1921 ipcom GmbH
sec2.rcode0.net	176.97.158.100 2001:67c:10b8::100	lisa.goeast.com ns2.dynanet.ch	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records1 records 13ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.111.162.19	600s	misc-proxy.dbc.dk	AS24853	Dbc Digital A/s	193.111.162.0/24	🇩🇰 Denmark	—

📧 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 Records2 records 13ms

Flags	Tag	Value
0	iodef	mailto:domains@dbc.dk
0	issue	letsencrypt.org

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.isbn-kontoret.dk	_acme-challenge.isbn-kontoret.dk.acme.dbc.dk

🔗 TLSA / DANE

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

🔐 DNSSEC143ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	j2YqzERLh6WLLNPbQmlIpZ1vlJj2jf3dGAJKs7FL…
ZSK	ECDSA P-256/SHA-256	IEBi86CSBYWOk418cp1mnyay0iXly7yUpmLgh3RH…

🏷️ SOA23ms

Field	Value
Serial	2022033430
Primary NS (MNAME)	ns.dbc.dk
Responsible (RNAME)	domains@dbc.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

24ms

A

13ms

MX

14ms

AAAA

29ms

TXT

86ms

CAA

13ms

HTTPS

98ms

TLSA

103ms

SOA

23ms

MTA-STS

41ms

DNSSEC

143ms

SRV

0ms

Total

1990ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 09:36:43	1990ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 05:54:33	1462ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 21:35:35	870ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 17:24:56	839ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 14:56:27	9719ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 09:12:56	1652ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 09:11:15	879ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 06:13:36	691ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 21:43:06	2434ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 16:58:06	699ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-08 02:37:31	732ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 09:19:56	728ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-03 16:06:23	9560ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 05:23:53	2491ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 17:05:52	864ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 16:41:15	908ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-20 06:12:41	867ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-15 16:49:08	792ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-12 21:42:09	869ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-05 18:56:28	8703ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-04 16:25:41	2441ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-03 10:51:03	540ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-28 21:37:11	613ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-25 12:47:01	817ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-25 10:37:25	748ms	2 NS 1 A 0 MX	🔒 Secure	View