ivfr.dk DNS records

🖥️ Nameservers2 records 59ms

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 Records1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.104	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ivfr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca09::b 52.101.73.12 52.101.73.153 52.101.73.24 52.101.73.30	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.8
🔶 Autoconfig	46.30.215.104

🔷 AAAA Records (IPv6)1 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:8040:ebcb:5de9:f5c3	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 Records1 records 211ms

TXT Record
v=spf1 ip4:62.243.28.84 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (ivfr.dk)
~all (soft fail)	v=spf1 ip4:62.243.28.84 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

🔗 TLSA / DANE

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

🔐 DNSSEC2066ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081702
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-18 02:16:34

Field	Value
Registrar	ONE.COM A/S
Registered	2024-08-21
Expires	2026-08-20 (expired)

📋 WHOIS

⏱️ Lookup Timing

NS

59ms

A

53ms

MX

41ms

AAAA

47ms

TXT

211ms

CAA

70ms

HTTPS

37ms

TLSA

660ms

SOA

0ms

MTA-STS

66ms

DNSSEC

2066ms

SRV

76ms

Total

3477ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:27:49	3477ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 02:16:07	3486ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 02:48:56	1333ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 19:42:59	687ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:06:40	745ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 20:32:38	592ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:16:55	1247ms	2 NS 1 A 1 MX	🔒 Secure	View