secontractor.dk DNS records

🖥️ Nameservers2 records 42ms

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 Records4 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	secontractor-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 2a01:111:f403:ca09::e 52.101.68.25 52.101.68.8 52.101.73.12 52.101.73.2	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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
🔶 Autoconfig	77.111.240.160

🔷 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	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 203ms

TXT Record
MS=ms81038289
v=spf1 ip4:92.51.168.236 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.eu.exclaimer.net -all

✉️ SPF

Policy	Record (secontractor.dk)
-all (hard fail)	v=spf1 ip4:92.51.168.236 include:spf.protection.outlook.com include:spf.smtp2go.com include:spf.eu.exclaimer.net -all

📨 DMARC

Policy	Record (_dmarc.secontractor.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; rua=mailto:rua@secontractor.dk; ruf=mailto:ruf@secontractor.dk; pct=100; 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)

🔐 DNSSEC92ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081402
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

42ms

A

29ms

MX

49ms

AAAA

45ms

TXT

203ms

CAA

40ms

HTTPS

56ms

TLSA

623ms

SOA

0ms

MTA-STS

73ms

DNSSEC

92ms

SRV

83ms

Total

1844ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 15:52:02	1844ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-08-11 22:21:06	5617ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-08-07 14:00:33	5489ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-07-02 16:01:28	2835ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-06-25 06:34:46	1114ms	2 NS 4 A 1 MX	🔒 Secure	View
2026-06-17 20:27:04	1468ms	2 NS 4 A 1 MX	🔒 Secure	View