iwersen1.dk

📜 Historical scan 2026-07-17 06:21:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iwersen1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.106.167.6 is hosted by Fiberby ApS (AS42541) in Denmark. Mail is handled by iwersen1-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 35ms

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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.106.167.6	600s	193-106-167-6.ip4.fiberby.net	AS42541	Fiberby ApS	193.106.164.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	iwersen1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09::9 52.101.73.1 52.101.73.153 52.101.73.22 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.101.27.137

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 208ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (iwersen1.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-11 18:07:28

www	193.106.167.6 (AS42541) (address records, no CNAME)
www vs bare domain	Same network iwersen1.dk: 193.106.167.6 (AS42541) www.iwersen1.dk: 193.106.167.6 (AS42541)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 18:45:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-07-16
Expires	2027-09-30 (342d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
kogetandklinnik.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

59ms

36ms

AAAA

44ms

TXT

208ms

CAA

63ms

HTTPS

50ms

TLSA

137ms

SOA

0ms

MTA-STS

76ms

DNSSEC

138ms

SRV

138ms

Total

1144ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 18:07:28	909ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:06:25	1053ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 02:00:02	5085ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 23:18:19	1039ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:22:38	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:53:51	940ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 12:20:34	952ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 04:35:36	1823ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 11:09:04	2059ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 06:21:09 shown	1144ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:02:46	1516ms	2 NS 1 A 1 MX	🔒 Secure