onfonefastnet.dk DNS records

🖥️ Nameservers4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	3600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 307ms

TXT Record
google-site-verification=nGKkEzihjzPM9fBbU3XwqTdZh-U-C84rwD31BR5E-9I
v=spf1 a:smtp1.companymobile.dk a:smtp2.companymobile.dk include:companymobile.dk include:mail.zendesk.com ~all

✉️ SPF

Policy	Record (onfonefastnet.dk)
~all (soft fail)	v=spf1 a:smtp1.companymobile.dk a:smtp2.companymobile.dk include:companymobile.dk include:mail.zendesk.com ~all

📨 DMARC

Policy	Record (_dmarc.onfonefastnet.dk)
p=none (monitor only)	v=DMARC1;p=none;fo=1;rua=mailto:dmarc@companymobile.dk;ruf=mailto:dmarc@companymobile.dk;rf=afrf;pct=100

📬 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)

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2025121646
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

44ms

MX

52ms

AAAA

49ms

TXT

307ms

CAA

56ms

HTTPS

56ms

TLSA

85ms

SOA

0ms

MTA-STS

69ms

DNSSEC

90ms

SRV

92ms

Total

859ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:42:16	859ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-24 00:26:23	3143ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-23 00:15:16	4942ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-05 16:58:56	1915ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-24 04:35:31	1360ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 14:03:09	8784ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 08:13:58	756ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-29 15:40:38	762ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 22:48:29	761ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 12:20:08	788ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 04:10:27	1103ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 01:59:15	596ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 13:35:02	857ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 05:53:34	766ms	4 NS 1 A 2 MX	🔒 Secure	View