cederbye.dk

📜 Historical scan 2026-08-20 02:59:46  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cederbye.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 April 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.154 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 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   271ms
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   290ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.154 3600s webcluster1.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   273ms
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)#

1 records   291ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:d5:72ca:6c6d:4852 3600s — 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#

1 records   725ms
TXT Record
v=spf1 include:_custspf.one.com -all

✉️ SPF#

PolicyRecord (cederbye.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all

📨 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 2026-10-09 16:36:28
www46.30.215.154 2a02:2350:5:106:d5:72ca:6c6d:4852 (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   606ms
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#

489ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081905
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-06 05:07:19
FieldValue
RegistrarONE.COM A/S
Registered2004-04-05
Expires2027-04-30 (194d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
271ms
A
290ms
MX
273ms
AAAA
291ms
TXT
725ms
CAA
279ms
HTTPS
291ms
TLSA
606ms
SOA
0ms
MTA-STS
372ms
DNSSEC
489ms
SRV
344ms
Total
6959ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-06 04:47:43 708ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-13 10:39:26 826ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-05 06:45:55 2515ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-20 02:59:46 shown 6959ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-13 14:56:09 5058ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-12 03:19:40 9829ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-07 02:00:11 6929ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-05 21:40:48 1307ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-01 09:09:41 870ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-27 16:12:08 737ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-27 02:19:03 1228ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 07:19:14 647ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 21:15:12 57244ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 20:07:57 2377ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 20:06:36 513ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 20:00:11 774ms 2 NS 1 A 4 MX 🔒 Secure
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