oesterhegnet.dk

📜 Historical scan 2026-10-01 12:21:30  ·  ← 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   117ms
NameserverIP addressesPTRASN / 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   120ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   115ms
PriorityTTLMail ServerIP addressesPTRASN
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		 mx3.spamfri.dk
mx3.spamfri.dk		 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   147ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:4b79 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:af95 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   131ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.121,172.67.175.149 ech=AEX+DQBB4wAgACC5ug3hFondAVigTc4JAHaRnZoeFFHJJ7Tm/5Bmi/zrFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4b79,2606:4700:3035::ac43:af95

📝 TXT Records#

1 records   392ms
TXT Record
v=spf1 +mx +a +ip4:195.242.130.11 +include:_spf.netgiganten.dk ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www104.21.75.121 172.67.175.149 2606:4700:3032::6815:4b79 2606:4700:3035::ac43:af95 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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   821ms
Service / OwnerTypeCert 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#

244ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

351ms
FieldValue
Serial2416282751
Primary NS (MNAME)barbara.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 17:06:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-03-22
Expires2027-03-31 (160d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
117ms
A
120ms
MX
115ms
AAAA
147ms
TXT
392ms
CAA
141ms
HTTPS
131ms
TLSA
821ms
SOA
351ms
MTA-STS
205ms
DNSSEC
244ms
SRV
186ms
Total
3106ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 2275ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-18 03:11:09 3044ms 2 NS 2 A 4 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone