oz2jbc.dk

📜 Historical scan 2026-09-23 23:58:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oz2jbc.dk is a .dk domain served by 2 nameservers (andy.ns.cloudflare.com, cloe.ns.cloudflare.com). It was registered on 10 December 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.vextr.net. The zone is DNSSEC-signed and validates, publishes a 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
andy.ns.cloudflare.com	108.162.193.101 172.64.33.101 173.245.59.101 2606:4700:58::adf5:3b65 2803:f800:50::6ca2:c165 2a06:98c1:50::ac40:2165	andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com andy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
169.58.230.87	300s	mail.vextr.net	AS51167	—	—	🇩🇪 Germany	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.vextr.net	169.58.230.87	mail.vextr.net	AS51167 Contabo GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.51.51

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 172ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (oz2jbc.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.oz2jbc.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:bccd2b65ef274100adc9ef64cdf64232@dmarc-reports.cloudflare.net

📬 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 15:34:09

www	169.58.230.87 (AS51167) (address records, no CNAME)
www vs bare domain	Same network oz2jbc.dk: 169.58.230.87 (AS51167) www.oz2jbc.dk: 169.58.230.87 (AS51167)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.oz2jbc.dk	3ShSke6qtmDhvrdrXj0Gk_CdDiGzFKDidgYQCdJ_WP0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415299843
Primary NS (MNAME)	andy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 07:16:09

Field	Value
Registrar	ONE.COM A/S
Registered	2002-12-10
Expires	2026-12-31 (73d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

38ms

AAAA

40ms

TXT

172ms

CAA

42ms

HTTPS

31ms

TLSA

106ms

SOA

0ms

MTA-STS

52ms

DNSSEC

116ms

SRV

64ms

Total

624ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:34:09	807ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 06:56:21	1961ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 03:17:42	2582ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:58:21 shown	624ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 12:41:46	3007ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 06:07:07	1386ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 08:18:10	1648ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:59:27	489ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 05:50:35	868ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:10:06	735ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 03:11:13	911ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 07:31:39	1805ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 04:18:26	851ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-10 09:40:50	939ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 13:01:30	579ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:29:27	742ms	2 NS 1 A 1 MX	🔒 Secure