studierejser.dk

📜 Historical scan 2026-09-08 03:50:38  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studierejser.dk is a .dk domain served by 2 nameservers (aurora.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 8 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by 1234.1234.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   25ms
NameserverIP addressesPTRASN / ISP
aurora.ns.cloudflare.com 108.162.194.110
162.159.38.110
172.64.34.110
2606:4700:50::a29f:266e
2803:f800:50::6ca2:c26e
2a06:98c1:50::ac40:226e		 aurora.ns.cloudflare.com
aurora.ns.cloudflare.com
aurora.ns.cloudflare.com
aurora.ns.cloudflare.com
aurora.ns.cloudflare.com
aurora.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
keaton.ns.cloudflare.com 108.162.195.181
162.159.44.181
172.64.35.181
2606:4700:58::a29f:2cb5
2803:f800:50::6ca2:c3b5
2a06:98c1:50::ac40:23b5		 keaton.ns.cloudflare.com
keaton.ns.cloudflare.com
keaton.ns.cloudflare.com
keaton.ns.cloudflare.com
keaton.ns.cloudflare.com
keaton.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   28ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.75.106 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.221.88 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s 1234.1234.com — — —

🔷 AAAA Records (IPv6)#

2 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4b6a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::ac43:dd58 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.75.106,172.67.221.88 ech=AEX+DQBBBwAgACAzYU3MxKGCd8cBPkM96R0Xcwqrrsgm5CjbPGHucbi9ZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4b6a,2606:4700:3036::ac43:dd58

📝 TXT Records#

2 records   152ms
TXT Record
google-site-verification: eidFkJU_TrhuP9taEtNYI_0D2_sJeNBf8ZLbHf7_ZO0
v=spf1 -all

✉️ SPF#

PolicyRecord (studierejser.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.studierejser.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-15 16:54:59
www104.21.75.106 172.67.221.88 2606:4700:3030::6815:4b6a 2606:4700:3036::ac43:dd58 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

6 found
SelectorCNAMEKey
default — Revoked (empty key)
dkim — Revoked (empty key)
k1 — Revoked (empty key)
mail — Revoked (empty key)
s1 — Revoked (empty key)
s2 — Revoked (empty key)

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: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.studierejser.dk LbiLZB0893X7oAGYwu4sJRD1v2nGphvpbp8r7mHN-eU
TXT _acme-challenge.studierejser.dk R06tdFdg4ko7yrTXFw0SAMQA1kQiF2xxWuuKb51xheM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414248447
Primary NS (MNAME)aurora.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 02:47:47
FieldValue
RegistrarONE.COM A/S
Registered1997-09-08
Expires2027-09-30 (348d)

🔗 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
oestrigsruten.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
25ms
A
28ms
MX
32ms
AAAA
33ms
TXT
152ms
CAA
40ms
HTTPS
38ms
TLSA
139ms
SOA
0ms
MTA-STS
69ms
DNSSEC
97ms
SRV
54ms
Total
609ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-22 09:03:33 789ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-09 16:17:24 1411ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 03:50:38 shown 609ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-14 07:16:56 964ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-09 23:25:58 786ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-01 21:33:04 1011ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 05:05:41 607ms 2 NS 1 A 1 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone