fsl.dk DNS records

🖥️ Nameservers2 records 36ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records2 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	mx12.comendosystems.com	192.162.219.155 2a01:77c0:1619:4101:d99:c22:fb4d:290e	mx41.electric.net mx10.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	1800s	mx6.comendosystems.net	192.162.219.49	mx41.electric.net	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 46ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	10	443	owa.fsl.dk
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records6 records 136ms

TXT Record
8AB0A83434DCD0505D5FE8AA4A79B037AA354EC50025D0FC0F72D614DDA630E9
facebook-domain-verification=r1pa1ijne34cae4xqbp32n90dh7zpi
google-site-verification=OQa5TOOfN65DkERkPfZvcfgomUnZpU3uES22XEWI718
google-site-verification=SCQ4-91E_idrvkssaChkL0AtK3IZ2C56_cGPJTRj0rY
MS=A6A73A3E915EAC1210363F39F65A7B3A2DADA9A4
v=spf1 a mx ip4:93.167.190.198 ip4:93.167.190.194 ip4:81.95.247.14 ip4:89.104.206.0/24 ip4:91.235.232.0/24 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.hostnordic.com include:amazonses.com include:mailmailmail.net -all

✉️ SPF

Policy	Record (fsl.dk)
-all (hard fail)	v=spf1 a mx ip4:93.167.190.198 ip4:93.167.190.194 ip4:81.95.247.14 ip4:89.104.206.0/24 ip4:91.235.232.0/24 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.hostnordic.com include:amazonses.com include:mailmailmail.net -all

📨 DMARC

Policy	Record (_dmarc.fsl.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rlg@fsl.dk,mailto:a792446f@mxtoolbox.dmarc-report.com; ruf=mailto:rlg@fsl.dk,mailto:a792446f@forensics.dmarc-report.com; fo=1

📬 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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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

36ms

A

33ms

MX

26ms

AAAA

34ms

TXT

136ms

CAA

28ms

HTTPS

26ms

TLSA

92ms

SOA

0ms

MTA-STS

35ms

DNSSEC

95ms

SRV

46ms

Total

574ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:29:33	574ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-25 12:48:14	888ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-01 23:13:11	6961ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-26 09:20:19	1346ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-19 20:28:35	1414ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 19:07:17	2388ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 06:08:15	582ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 10:17:35	3777ms	2 NS 1 A 2 MX	🔒 Secure	View