cfos.dk DNS records

🖥️ Nameservers2 records 75ms

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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.104	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
15	600s	cfos-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca09::24 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.32 52.101.73.12 52.101.73.15	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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	46.30.213.104

🔷 AAAA Records (IPv6)1 records 130ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:8041:e08:2cfd:eb63	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 Records3 records 448ms

TXT Record
0ed1fe018aa6752941bb1f4255bf2b59db5f712cdf
MS=ms50332733
v=spf1 include:_spf.host123.dk -all

✉️ SPF

Policy	Record (cfos.dk)
-all (hard fail)	v=spf1 include:_spf.host123.dk -all

📨 DMARC

Policy	Record (_dmarc.cfos.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:reports@dmarc.host123.dk; ruf=mailto:reports@dmarc.host123.dk; fo=1; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC340ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083002
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-24 03:56:24

Field	Value
Registrar	ONE.COM A/S
Registered	2022-07-14
Expires	2027-07-13 (314d)

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

113ms

MX

104ms

AAAA

130ms

TXT

448ms

CAA

101ms

HTTPS

221ms

TLSA

863ms

SOA

0ms

MTA-STS

227ms

DNSSEC

340ms

SRV

248ms

Total

2671ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 03:38:41	2671ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 21:02:10	1164ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 03:55:28	4126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 03:15:42	9595ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 01:09:22	17146ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 14:59:52	3044ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 00:51:24	745ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 23:57:25	2248ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:10:08	2718ms	2 NS 1 A 1 MX	🔒 Secure	View