it-fjernundervisning.dk

Records from scan: 2026-10-23 17:07:32  ·  768ms total  ·  last checked 2026-10-26 08:41 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

it-fjernundervisning.dk is a .dk domain served by 2 nameservers (lars.ns.cloudflare.com, naomi.ns.cloudflare.com). It was registered on 25 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.82.237 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.scientdata.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   32ms
NameserverIP addressesPTRASN / ISP
lars.ns.cloudflare.com 108.162.193.195
172.64.33.195
173.245.59.195
2606:4700:58::adf5:3bc3
2803:f800:50::6ca2:c1c3
2a06:98c1:50::ac40:21c3		 lars.ns.cloudflare.com
lars.ns.cloudflare.com
lars.ns.cloudflare.com
lars.ns.cloudflare.com
lars.ns.cloudflare.com
lars.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
naomi.ns.cloudflare.com 108.162.192.208
172.64.32.208
173.245.58.208
2606:4700:50::adf5:3ad0
2803:f800:50::6ca2:c0d0
2a06:98c1:50::ac40:20d0		 naomi.ns.cloudflare.com
naomi.ns.cloudflare.com
naomi.ns.cloudflare.com
naomi.ns.cloudflare.com
naomi.ns.cloudflare.com
naomi.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   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.82.237 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.209.72 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s mail.scientdata.dk 91.98.102.141 mail.scientdata.dk AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.scientdata.dk → 91.98.102.141
🔶 Autoconfigmail.scientdata.dk → 91.98.102.141

🔷 AAAA Records (IPv6)#

2 records   31ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:52ed 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:d148 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   28ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.82.237,172.67.209.72 ech=AEX+DQBBOAAgACCdkJHCNI63oh8XcaEj3i2i99TLh5jw/2cDKGoyHUnSLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:52ed,2606:4700:3037::ac43:d148

🔌 SRV Records#

1 records   59ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 1 443 mail.scientdata.dk

📝 TXT Records#

1 records   171ms
TXT Record
v=spf1 mx ~all

✉️ SPF#

PolicyRecord (it-fjernundervisning.dk)
~all (soft fail) v=spf1 mx ~all

📨 DMARC#

PolicyRecord (_dmarc.it-fjernundervisning.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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#

checked 2026-10-23 17:07:32
www104.21.82.237 172.67.209.72 2606:4700:3031::6815:52ed 2606:4700:3037::ac43:d148 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

34ms
FieldValue
Serial2414754522
Primary NS (MNAME)lars.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 01:25:54
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-08-25
Expires2027-08-31 (308d)

🔗 Same registrant#

18 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).

DomainRegistrar
bestemselvteksten.dkPunktum dk A/S (direct)
fam-ostergaard.dkPunktum dk A/S (direct)
fam-ulstrup.dkPunktum dk A/S (direct)
fam-østergaard.dkPunktum dk A/S (direct)
itfjernundervisning.dkPunktum dk A/S (direct)
madsostergaard.dkPunktum dk A/S (direct)
madsøstergaard.dkPunktum dk A/S (direct)
musiksusanne.dkPunktum dk A/S (direct)
nh-kontoret.dkPunktum dk A/S (direct)
nhkontoret.dkPunktum dk A/S (direct)
postkasselabels.dkPunktum dk A/S (direct)
postkassemaerkater.dkPunktum dk A/S (direct)
postkassemaerker.dkPunktum dk A/S (direct)
postkassemærkater.dkPunktum dk A/S (direct)
postkassemærker.dkPunktum dk A/S (direct)
scient-data.dkPunktum dk A/S (direct)
scientdata.dkPunktum dk A/S (direct)
stoppestedetnh.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
35ms
MX
33ms
AAAA
31ms
TXT
171ms
CAA
30ms
HTTPS
28ms
TLSA
70ms
SOA
34ms
MTA-STS
50ms
DNSSEC
107ms
SRV
59ms
Total
768ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-23 17:07:32 shown 768ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-22 04:56:01 2193ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 04:42:27 704ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 22:42:47 642ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-17 23:45:06 2208ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 22:14:31 2574ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-19 11:42:45 1157ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-14 19:43:29 9982ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-13 09:40:21 9699ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-20 22:30:59 1532ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-18 00:56:09 1855ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone