f-t-o.dk DNS records

🖥️ Nameservers4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.38.7	3600s	—	AS48854	team.blue Denmark A/S	193.8.38.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fto-dk0k.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::7 2a01:111:f403:ca09::20 2a01:111:f403:ca09::f 52.101.103.137 52.101.68.16 52.101.73.19 52.101.73.6	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.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
🔶 Autoconfig	193.8.38.7

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 140ms

TXT Record
v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (f-t-o.dk)
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.f-t-o.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2025101402
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

28ms

MX

35ms

AAAA

41ms

TXT

140ms

CAA

44ms

HTTPS

401ms

TLSA

190ms

SOA

0ms

MTA-STS

61ms

DNSSEC

84ms

SRV

66ms

Total

957ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:50:33	957ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 01:18:10	2738ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 01:43:03	866ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 19:54:47	867ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:20:45	2002ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:58:35	2792ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 22:35:32	1111ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 21:53:33	1047ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 09:16:41	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:59:08	1547ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:10:22	1334ms	4 NS 1 A 1 MX	🔒 Secure	View