fsbyg.dk DNS records

🖥️ Nameservers2 records 53ms

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 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.86	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fsbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:b7:ec28:c796:3188	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 Records2 records 269ms

TXT Record
MS=ms38961639
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.fsbyg.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC204ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082802
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

53ms

A

85ms

MX

121ms

AAAA

88ms

TXT

269ms

CAA

63ms

HTTPS

123ms

TLSA

715ms

SOA

0ms

MTA-STS

116ms

DNSSEC

204ms

SRV

152ms

Total

1685ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 03:09:14	1685ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:21:50	702ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 04:13:57	1315ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 21:20:59	1973ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 11:16:50	10127ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 10:12:53	5259ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-15 08:45:06	1420ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-21 03:04:37	1430ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-30 06:52:43	718ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 18:37:12	598ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 09:03:22	1104ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 05:32:03	3294ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 21:19:46	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 03:49:19	902ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 09:26:31	876ms	2 NS 1 A 2 MX	🔒 Secure	View