ostenssol.dk

📜 Historical scan 2026-08-31 00:20:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ostenssol.dk is a .dk domain served by 2 nameservers (dawn.ns.cloudflare.com, jermaine.ns.cloudflare.com). It was registered on 20 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.156 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ostenssol.dk.mx.one.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 87ms

Nameserver	IP addresses	PTR	ASN / ISP
dawn.ns.cloudflare.com	108.162.192.106 172.64.32.106 173.245.58.106 2606:4700:50::adf5:3a6a 2803:f800:50::6ca2:c06a 2a06:98c1:50::ac40:206a	dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com dawn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.156	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.200.163	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ostenssol.dk.mx.one.com	104.37.34.70 104.37.34.71 104.37.34.72 104.37.34.73	mx1.pub.mailpod10-cph3.one.com mx2.pub.mailpod10-cph3.one.com mx3.pub.mailpod10-cph3.one.com mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 81ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:d9c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c8a3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 86ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.156,172.67.200.163 ech=AEX+DQBBbQAgACDq5ptK1ZSRUTBxz7UGx+0FHPc6JjZ1C4JMqRouYCazWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:d9c,2606:4700:3037::ac43:c8a3

📝 TXT Records#

2 records 408ms

TXT Record
google-site-verification=tMEaSb6MFhPjg666NIt3Amzd7SfjeDPkdVrbz5IbBMQ
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (ostenssol.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.ostenssol.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@ostenssol.dk

📬 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 2026-10-22 05:38:27

www	104.21.13.156 172.67.200.163 2606:4700:3032::6815:d9c 2606:4700:3037::ac43:c8a3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ostenssol.dk: 104.21.13.156 172.67.200.163 2606:4700:3032::6815:d9c 2606:4700:3037::ac43:c8a3 (AS13335) www.ostenssol.dk: 104.21.13.156 172.67.200.163 2606:4700:3032::6815:d9c 2606:4700:3037::ac43:c8a3 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ostenssol.dk	655_Syml2j7G4gNM0DTsN40bkFIRsMeO0is2xCRVMvY
TXT	_acme-challenge.ostenssol.dk	b8sEDA1p2_3XzKae697d3qO3UYSj6fMElE1wtmiZeTY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

277ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2413508737
Primary NS (MNAME)	dawn.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 17:04:38

Field	Value
Registrar	Simply.com A/S
Registered	2009-06-20
Expires	2027-06-30 (246d)

📋 WHOIS#

⏱️ Lookup Timing#

87ms

92ms

83ms

AAAA

81ms

TXT

408ms

CAA

72ms

HTTPS

86ms

TLSA

197ms

SOA

0ms

MTA-STS

174ms

DNSSEC

277ms

SRV

156ms

Total

2897ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 05:38:27	18620ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-09 04:19:42	8496ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 16:49:59	744ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 14:52:54	5372ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 03:11:22	2206ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-01 01:32:02	1301ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 00:20:52 shown	2897ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 21:45:43	9671ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 12:46:52	2592ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 08:09:27	1068ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 20:50:38	9899ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 08:18:57	681ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 21:13:57	1093ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 13:24:30	3570ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:21:55	2410ms	2 NS 2 A 1 MX	🔓 Insecure