ifø.dk DNS records

🖥️ Nameservers2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.geberit.ch	212.243.130.30	ns.geberit.ch	AS3303 Bluewin
ns.geberit.de	193.99.99.33	ns.geberit.de	AS3320 Deutsche Telekom AG

🌍 A Records

🌍

No A records found

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	maxsibbern-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::1 2a01:111:f403:ca09::28 2a01:111:f403:ca09::9 52.101.68.8 52.101.73.1 52.101.73.11 52.101.73.123	mail-db7pr03cu00401.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 40.104.116.40
🔶 Autoconfig	www.evac.dk → 93.191.156.179

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 113ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records6 records 296ms

TXT Record
ms=ms53888619
P8RSWZg
srv _sip _tls 443 1 100 sipdir.online.lync.com
srv _sipfederationtls _tcp 5061 1 100 sipfed.online.lync.com
v=spf1 include:spf.protection.outlook.com -all
v=spf1 mx a -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (ifø.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all
-all (hard fail)	v=spf1 mx a -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.ifø.dk	www.evac.dk

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2016020501
Primary NS (MNAME)	ns.geberit.de
Responsible (RNAME)	dnsadmin@geberit.com
Refresh	21600s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

58ms

MX

57ms

AAAA

60ms

TXT

296ms

CAA

59ms

HTTPS

73ms

TLSA

174ms

SOA

0ms

MTA-STS

100ms

DNSSEC

99ms

SRV

113ms

Total

889ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 17:11:29	889ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 09:04:56	3884ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-06-22 22:47:44	446ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 08:07:35	3258ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-21 00:51:19	398ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-20 03:23:47	1542ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-20 01:01:47	364ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-19 05:07:24	1661ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-19 00:31:00	339ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 13:40:40	4066ms	2 NS 0 A 1 MX	🔒 Secure	View