oesterhegnet.dk

📜 Historical scan 2026-06-20 01:13:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oesterhegnet.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 22 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.121 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx4.spamfri.dk, mx2.spamfri.dk and 2 more. 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 76ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.121	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.149	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx4.spamfri.dk	193.200.91.108 2001:67c:564:fffd::4001	mx4.spamfri.dk mx4.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
20	86400s	mx2.spamfri.dk	193.200.91.109 2001:67c:564:fffd::2001	mx2.spamfri.dk mx2.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
30	86400s	mx3.spamfri.dk	2a00:1b18:2:3:fe::2 62.69.152.43 62.69.152.43	mx3.spamfri.dk 43.34-46.152.69.62.in-addr.arpa mx3.spamfri.dk	AS47527 DLX A/S AS47527 DLX A/S AS47527 DLX A/S
40	86400s	mx1.spamfri.dk	195.242.131.16 2001:67c:564:fffd::1001	mx1.spamfri.dk mx1.spamfri.dk	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:af95	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:4b79	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 56ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.121,172.67.175.149 ech=AEX+DQBB9AAgACCOdTF6+CW2wla+1htYnDmOCCHTj7SxuWbOZGzzmIKrOwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:af95,2606:4700:3032::6815:4b79

📝 TXT Records#

1 records 326ms

TXT Record
v=spf1 +mx +a +ip4:195.242.130.11 +include:_spf.netgiganten.dk ~all

✉️ SPF#

Policy	Record (oesterhegnet.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:195.242.130.11 +include:_spf.netgiganten.dk ~all

📨 DMARC#

Policy	Record (_dmarc.oesterhegnet.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 11:03:57

www	104.21.75.121 172.67.175.149 2606:4700:3032::6815:4b79 2606:4700:3035::ac43:af95 (AS13335) (address records, no CNAME)
www vs bare domain	Same network oesterhegnet.dk: 104.21.75.121 172.67.175.149 2606:4700:3032::6815:4b79 2606:4700:3035::ac43:af95 (AS13335) www.oesterhegnet.dk: 104.21.75.121 172.67.175.149 2606:4700:3032::6815:4b79 2606:4700:3035::ac43:af95 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 132ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.spamfri.dk	DANE-EE · SPKI · SHA-256	884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk	DANE-EE · SPKI · SHA-256	6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk	DANE-EE · SPKI · SHA-256	BBFB0694919290E5BC9D6E2C6F47D846…
SMTP _25._tcp.mx4.spamfri.dk	DANE-EE · SPKI · SHA-256	4EE743A99328AEF5142706CA5FD3AD61…

🔐 DNSSEC#

155ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2406084214
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 17:06:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-03-22
Expires	2027-03-31 (157d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
oesterhegnet-hegn.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

76ms

77ms

35ms

AAAA

49ms

TXT

326ms

CAA

52ms

HTTPS

56ms

TLSA

132ms

SOA

52ms

MTA-STS

83ms

DNSSEC

155ms

SRV

1840ms

Total

2275ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:03:57	1823ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-12 04:40:05	2463ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-01 12:21:30	3106ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-14 21:54:07	1299ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-14 23:21:53	6974ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-07 12:45:23	3399ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 13:56:35	992ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 01:13:06 shown	2275ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 03:11:09	3044ms	2 NS 2 A 4 MX	🔓 Insecure