jonasbk.dk

📜 Historical scan 2026-09-23 13:16:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jonasbk.dk is a .dk domain served by 2 nameservers (seth.ns.cloudflare.com, ulla.ns.cloudflare.com). It was registered on 11 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.243.52 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.jonasbk.dk, mx-weu.jonasbk.dk. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
seth.ns.cloudflare.com	108.162.193.142 172.64.33.142 173.245.59.142 2606:4700:58::adf5:3b8e 2803:f800:50::6ca2:c18e 2a06:98c1:50::ac40:218e	seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com seth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.243.52	300s	87-104-243-52.static.kviknet.net	AS204151	EWII Bredbaand A/S	87.104.240.0/20	🇩🇰 Denmark	Kolding

📧 MX Records#

2 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.jonasbk.dk	168.63.96.79	mdaemon01-1-ooblogic.westeurope.cloudapp.azure.com	AS8075 Microsoft Corporation
20	300s	mx-weu.jonasbk.dk	168.63.96.79	mdaemon01-1-ooblogic.westeurope.cloudapp.azure.com	AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.jonasbk.dk → 168.63.96.79
🔶 Autoconfig	hosted-sites.ooblogic.com → 87.104.243.52

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 168ms

TXT Record
v=spf1 mx -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.jonasbk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:d2265d55aa5a43309e2f353f6ffcdcd0@dmarc-reports.cloudflare.net,mailto:AggretadDMAC-sbc@psychosoft.dk; ruf=mailto:ForensicDMAC-sbc@psychosoft.dk; sp=none; adkim=s; fo=1;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 43ms

Flags	Tag	Value
0	iodef	mailto:caa-violations@psychosoft.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 05:45:50

www CNAME	hosted-sites.ooblogic.com (all on ooblogic.com) → 87.104.243.52 (AS204151)
www vs bare domain	Same network jonasbk.dk: 87.104.243.52 (AS204151) www.jonasbk.dk: 87.104.243.52 (AS204151)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.jonasbk.dk	hosted-sites.ooblogic.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415345851
Primary NS (MNAME)	seth.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:13:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-09-11
Expires	2027-09-10 (328d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

32ms

44ms

AAAA

37ms

TXT

168ms

CAA

43ms

HTTPS

38ms

TLSA

104ms

SOA

0ms

MTA-STS

81ms

DNSSEC

102ms

SRV

98ms

Total

1928ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 05:45:50	1624ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-08 17:39:17	1116ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-02 15:04:28	579ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 13:16:34 shown	1928ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-08 17:27:47	1586ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-01 17:37:18	1461ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 02:36:18	1780ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-11 00:31:11	1588ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-09 17:25:07	9415ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-06 13:04:53	1320ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-21 08:44:09	1061ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-10 07:21:59	1239ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-01 22:27:53	1201ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 18:43:26	1831ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 07:27:24	1276ms	2 NS 1 A 2 MX	⚠️ Bogus
2026-06-17 15:36:18	1346ms	2 NS 1 A 2 MX	🔒 Secure