studieretning.dk

📜 Historical scan 2026-09-19 10:23:05  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studieretning.dk is a .dk domain served by 2 nameservers (dina.ns.cloudflare.com, paul.ns.cloudflare.com). It was registered on 16 July 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.14.16 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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   161ms
NameserverIP addressesPTRASN / ISP
dina.ns.cloudflare.com 108.162.192.107
172.64.32.107
173.245.58.107
2606:4700:50::adf5:3a6b
2803:f800:50::6ca2:c06b
2a06:98c1:50::ac40:206b		 dina.ns.cloudflare.com
dina.ns.cloudflare.com
dina.ns.cloudflare.com
dina.ns.cloudflare.com
dina.ns.cloudflare.com
dina.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
paul.ns.cloudflare.com 108.162.193.135
172.64.33.135
173.245.59.135
2606:4700:58::adf5:3b87
2803:f800:50::6ca2:c187
2a06:98c1:50::ac40:2187		 paul.ns.cloudflare.com
paul.ns.cloudflare.com
paul.ns.cloudflare.com
paul.ns.cloudflare.com
paul.ns.cloudflare.com
paul.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   115ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.14.16 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.133.192 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   105ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s aspmx.l.google.com 142.251.9.27
2a00:1450:4025:c03::1a		 rc-in-f27.1e100.net
rc-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt1.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 300s alt2.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx2.googlemail.com 192.178.211.26
2404:6800:4000:1025::1a		 lcbomp-in-f26.1e100.net
lcbomp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
30 300s aspmx3.googlemail.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.14.16
🔶 Autoconfig172.67.133.192

🔷 AAAA Records (IPv6)#

2 records   159ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::6815:e10 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:85c0 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   130ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.14.16,172.67.133.192 ech=AEX+DQBBLAAgACAUcV/nLDUen6YkzgkhAMO8daK3qYd2Hu6uRdOiUJmNZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:e10,2606:4700:3036::ac43:85c0

📝 TXT Records#

2 records   373ms
TXT Record
blitz=mu-ea18d71c-3a88fd93-ef2d100b-b176547f
v=spf1 a mx include:spf.mtasv.net include:spf.mandrillapp.com ~all

✉️ SPF#

PolicyRecord (studieretning.dk)
~all (soft fail) v=spf1 a mx include:spf.mtasv.net include:spf.mandrillapp.com ~all

📨 DMARC#

PolicyRecord (_dmarc.studieretning.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#

latest probe, not this scan · checked 2026-10-08 18:47:05
www104.21.14.16 172.67.133.192 2606:4700:3035::6815:e10 2606:4700:3036::ac43:85c0 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

7 found
SelectorCNAMEKey
default — RSA · ~1024 bit below 2048 bit
dkim — RSA · ~1024 bit below 2048 bit
google — RSA · ~1024 bit below 2048 bit
k1 — RSA · ~1024 bit below 2048 bit
mail — RSA · ~1024 bit below 2048 bit
s1 — RSA · ~1024 bit below 2048 bit
s2 — RSA · ~1024 bit below 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: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.studieretning.dk 3oC-UQ_ByBJT0qg1KzNyS5-bRd1Ms-HK9aC6-KUpoIc
TXT _acme-challenge.studieretning.dk EpnBcvdpU0CGt-fGoe_A1_bR0Bl1FGV8hrlocAq1XOU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

195ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415143723
Primary NS (MNAME)dina.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 02:16:36
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-07-16
Expires2027-07-31 (284d)

🔗 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).

DomainRegistrar
cctech.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
161ms
A
115ms
MX
105ms
AAAA
159ms
TXT
373ms
CAA
109ms
HTTPS
130ms
TLSA
197ms
SOA
0ms
MTA-STS
205ms
DNSSEC
195ms
SRV
199ms
Total
1409ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 12:53:22 767ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-23 17:35:13 888ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-19 10:23:05 shown 1409ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-22 15:17:40 1170ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-03 09:42:30 2886ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-18 05:41:49 1174ms 2 NS 2 A 5 MX 🔓 Insecure
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