iwersen1.dk

Records from scan: 2026-10-11 18:07:28 · 909ms total · last checked 2026-10-21 09:38 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

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 39ms

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 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	iwersen1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.181.153 52.101.209.153 52.101.68.10 52.101.91.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 118ms

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#

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#

111ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026101101
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 (343d)

🔗 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#

40ms

39ms

27ms

AAAA

35ms

TXT

118ms

CAA

37ms

HTTPS

44ms

TLSA

322ms

SOA

47ms

MTA-STS

50ms

DNSSEC

111ms

SRV

54ms

Total

909ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 18:07:28 shown	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	1144ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:02:46	1516ms	2 NS 1 A 1 MX	🔒 Secure