studierejser.dk

📜 Historical scan 2026-06-18 05:05:41  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studierejser.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.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 178.23.177.67 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by 1234.1234.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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   44ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.23.177.67 — mcb-c02.lynero.net AS47527 DLX A/S 178.23.176.0/21 🇩🇰 Denmark —

📧 MX Records#

1 records   50ms
PriorityTTLMail ServerIP addressesPTRASN
0 — 1234.1234.com — — —

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   175ms
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

52ms
FieldValue
Serial2026052801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-14 02:47:47
FieldValue
RegistrarONE.COM A/S
Registered1997-09-08
Expires2027-09-30 (347d)

🔗 Same registrant#

2 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
alfatravel.dkPunktum dk A/S (direct)
oestrigsruten.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
38ms
MX
50ms
AAAA
37ms
TXT
175ms
CAA
36ms
HTTPS
48ms
TLSA
150ms
SOA
52ms
MTA-STS
61ms
DNSSEC
69ms
SRV
73ms
Total
607ms

🕐 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 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 shown 607ms 2 NS 1 A 1 MX 🔒 Secure
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