responder.dk

📜 Historical scan 2026-08-12 19:11:34  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

responder.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 July 2026 (WHOIS) and first appeared in the .dk zone on 11 July 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is not DNSSEC-signed, 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   61ms
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   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod16-cph3.g1i.one.com 5.249.232.33 mx1.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod16-cph3.g1i.one.com 5.249.232.34 mx2.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod16-cph3.g1i.one.com 5.249.232.35 mx3.mailpod16-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod16-cph3.g1i.one.com 5.249.232.36 mx4.mailpod16-cph3.g1i.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   224ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (responder.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.responder.dk)
p=reject v=DMARC1; p=reject

📬 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 2026-10-17 14:14:19
www46.30.215.229 2a02:2350:5:108:8029:ba1c:b48a:7eb9 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   86ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC#

153ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026081202
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-13 00:51:47
FieldValue
RegistrarONE.COM A/S
Registered2026-07-10
Expires2027-07-09 (263d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
61ms
A
70ms
MX
54ms
AAAA
62ms
TXT
224ms
CAA
61ms
HTTPS
60ms
TLSA
86ms
SOA
0ms
MTA-STS
41ms
DNSSEC
153ms
SRV
8053ms
Total
8748ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 14:14:19 535ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-13 00:30:57 1404ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-11 22:18:40 456ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-16 04:52:19 983ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-26 22:21:12 711ms 2 NS 1 A 4 MX 🔓 Insecure
2026-08-16 03:20:37 2462ms 2 NS 1 A 4 MX 🔓 Insecure
2026-08-14 13:32:12 5341ms 2 NS 1 A 4 MX 🔓 Insecure
2026-08-12 19:11:34 shown 8748ms 2 NS 1 A 4 MX 🔓 Insecure
2026-07-26 14:14:23 615ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-25 13:57:41 9739ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-24 13:44:52 2672ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-23 11:21:41 700ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-22 04:54:38 801ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-20 23:07:42 9694ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-19 22:53:24 1017ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-18 19:33:16 9719ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-17 18:13:33 8679ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-14 09:54:39 8601ms 1 NS 0 A 0 MX ❓ Unknown
2026-07-11 08:38:39 658ms 1 NS 0 A 0 MX ❓ Unknown
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