fcsi.dk DNS records

🖥️ Nameservers2 records 61ms

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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.47	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fcsi-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::24 52.101.209.153 52.101.68.27 52.101.68.29 52.101.68.3	mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.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

🔷 AAAA Records (IPv6)1 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:807d:4f1c:d680:8fbb	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

🔌 SRV Records1 records 89ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 227ms

TXT Record
MS=ms22049292
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:mailgun.org -all

✉️ SPF

Policy	Record (fcsi.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.fcsi.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:abuse@fcsi.dk; aspf=s; pct=20; ri=86400; sp=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)

🔐 DNSSEC109ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082702
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

61ms

A

69ms

MX

84ms

AAAA

65ms

TXT

227ms

CAA

53ms

HTTPS

63ms

TLSA

656ms

SOA

0ms

MTA-STS

84ms

DNSSEC

109ms

SRV

89ms

Total

1516ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:50:50	1516ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 03:19:30	846ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 14:24:57	7351ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 20:35:13	1414ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 02:07:34	3155ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 05:03:28	1104ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:53:25	1164ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:50:28	1882ms	2 NS 1 A 1 MX	🔒 Secure	View