challenge.dk

📜 Historical scan 2026-06-16 20:15:58  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

challenge.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 January 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.148 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod8-cph3.one.com, mx2.pub.mailpod8-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no 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   65ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —

🌍 A Records#

1 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.148 — webcluster1.webpod14-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

3 records   61ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.pub.mailpod8-cph3.one.com 185.164.14.102 mx1.pub.mailpod8-cph3.one.com AS51468 One.com A/S
10 — mx2.pub.mailpod8-cph3.one.com 185.164.14.103 mx2.pub.mailpod8-cph3.one.com AS51468 One.com A/S
10 — mx3.pub.mailpod8-cph3.one.com 185.164.14.104 mx3.pub.mailpod8-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   64ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10c:a7:b83f:cadc:24f0 — — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-22 02:55:28
www87.59.201.211 (AS3292) (address records, no CNAME)
www vs bare domainSame network
challenge.dk: 87.59.201.211 (AS3292)
www.challenge.dk: 87.59.201.211 (AS3292)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

3 records   84ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com DANE-EE · SPKI · SHA-256 026A3DCAF3804B72DA8C105B5ADC0C7D…

🔐 DNSSEC#

213ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

60ms
FieldValue
Serial2026051901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-11 11:25:12
FieldValue
RegistrarONE.COM A/S
Registered1998-01-20
Expires2027-03-31 (160d)

🔗 Same registrant#

5 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
dydensborg.dkONE.COM A/S
madsdydensborg.dkONE.COM A/S
radikale-frederikssund.dkPunktum dk A/S (direct)
rune-christiansen.dkONE.COM A/S
runechristiansen.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
65ms
A
64ms
MX
61ms
AAAA
64ms
TXT
130ms
CAA
73ms
HTTPS
56ms
TLSA
84ms
SOA
60ms
MTA-STS
53ms
DNSSEC
213ms
SRV
0ms
Total
697ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 02:55:28 525ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-17 18:43:43 511ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-14 16:41:36 666ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-12 13:02:25 1118ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-11 11:07:31 670ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 23:31:19 553ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-30 09:27:35 949ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-24 08:15:33 571ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-15 16:18:24 618ms 2 NS 1 A 3 MX 🔒 Secure
2026-08-25 15:22:26 670ms 2 NS 1 A 3 MX 🔒 Secure
2026-08-23 19:54:15 2837ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-24 15:00:26 2114ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-22 09:37:37 1203ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 13:09:16 547ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-16 20:15:58 shown 697ms 2 NS 1 A 3 MX 🔒 Secure
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