sifi.dk

Records from scan: 2026-10-07 08:40:41  ·  455ms total  ·  last checked 2026-10-18 21:40 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sifi.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.252 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   38ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.252 3600s webcluster2.webpod18-cph3.g1i.one AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:108:80e3:2dd6:bcb5:5137 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   172ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.sifi.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#

checked 2026-10-11 12:13:19
www46.30.215.252 2a02:2350:5:108:80e3:2dd6:bcb5:5137 (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   61ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC#

65ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

30ms
FieldValue
Serial2026100601
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-07 09:08:39
FieldValue
RegistrarONE.COM A/S
Registered2007-03-15
Expires2027-03-31 (163d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
41ms
MX
36ms
AAAA
33ms
TXT
172ms
CAA
34ms
HTTPS
49ms
TLSA
61ms
SOA
30ms
MTA-STS
51ms
DNSSEC
65ms
SRV
48ms
Total
455ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 08:40:41 shown 455ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-01 07:19:04 1100ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-15 20:51:21 622ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-07 12:14:13 1038ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 13:24:33 804ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-24 16:53:33 2181ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-07 18:04:17 1152ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-09 04:32:48 1396ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-04 20:54:13 2847ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-03 19:58:06 4319ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 17:42:50 996ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-21 22:44:58 931ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 22:28:03 2010ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 13:07:17 2854ms 2 NS 1 A 4 MX 🔒 Secure
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