sekr.dk DNS records

🖥️ Nameservers2 records 39ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.110.140	3600s	vps716.basicserver.io	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sekr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::4 52.101.68.12 52.101.68.21 52.101.73.153 52.101.73.6	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 83ms

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

📝 TXT Records3 records 183ms

TXT Record
7tqk3mrG5hIjoTWzPzx0xLOaUBC2xQ4cDVwMStzk3jfIDvh+uXfjPpFA5gdAvrSDrf4ttl7Rhdt9EucNCBglBQ==
MS=ms30331586
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.winkas.net include:spf.mandrillapp.com include:u1491158.wl159.sendgrid.net ip4:94.231.110.140 ip4:94.231.110.141 -all

✉️ SPF

Policy	Record (sekr.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.winkas.net include:spf.mandrillapp.com include:u1491158.wl159.sendgrid.net ip4:94.231.110.140 ip4:94.231.110.141 -all

📨 DMARC

Policy	Record (_dmarc.sekr.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;adkim=s;aspf=s;rua=mailto:dmarc_agg@vali.email;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)

🔐 DNSSEC2064ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

39ms

A

45ms

MX

37ms

AAAA

36ms

TXT

183ms

CAA

44ms

HTTPS

33ms

TLSA

594ms

SOA

0ms

MTA-STS

52ms

DNSSEC

2064ms

SRV

83ms

Total

3503ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 22:38:26	3503ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 05:58:28	2349ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 23:25:47	7126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 00:27:39	1177ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:17:52	1241ms	2 NS 1 A 1 MX	🔒 Secure	View