i4s.dk

📜 Historical scan 2026-09-21 16:40:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

i4s.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.181.50.174 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by mx.imania.dk. 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 125ms

Nameserver	IP addresses	PTR	ASN / 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 110ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.181.50.174	43200s	mx.imania.dk	AS197540	netcup GmbH	5.181.48.0/22	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx.imania.dk	5.181.50.174	mx.imania.dk	AS197540 netcup GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	5.181.50.174
🔶 Autoconfig	5.181.50.174

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 266ms

TXT Record
v=spf1 mx ip4:5.181.50.174 ip4:77.68.145.240 include:_spf.google.com -all

✉️ SPF#

Policy	Record (i4s.dk)
-all (hard fail)	v=spf1 mx ip4:5.181.50.174 ip4:77.68.145.240 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.i4s.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:anders@evilpigeon.dk

📬 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 2026-10-11 15:07:26

www	5.181.50.174 (AS197540) (address records, no CNAME)
www vs bare domain	Same network i4s.dk: 5.181.50.174 (AS197540) www.i4s.dk: 5.181.50.174 (AS197540)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

125ms

110ms

119ms

AAAA

106ms

TXT

266ms

CAA

95ms

HTTPS

102ms

TLSA

58ms

SOA

0ms

MTA-STS

122ms

DNSSEC

172ms

SRV

149ms

Total

669ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:55:44	654ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 05:50:40	2672ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 16:40:19 shown	669ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 08:16:16	6552ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 23:18:46	476ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:12:26	941ms	2 NS 1 A 1 MX	🔒 Secure