secontractor.dk

📜 Historical scan 2026-10-07 14:55:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

secontractor.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.185.159.144 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by secontractor-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 26ms

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 Records#

4 records 39ms

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 Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	secontractor-dk.mail.protection.outlook.com	2a01:111:f403:ca09::24 2a01:111:f403:ca09::28 2a01:111:f403:ca38::a 2a01:111:f403:ca48::8 52.101.181.153 52.101.68.27 52.101.68.8 52.101.91.153	mail-am6pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-matpr04cu00101.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
🔶 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 Records#

1 records 50ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 162ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 05:05:12

www CNAME	ext-cust.squarespace.com (all on squarespace.com) → 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
www vs bare domain	Same network secontractor.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.secontractor.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-secontractor-dk._domainkey.secontractor.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

54ms

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

🏷️ SOA#

46ms

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#

WHOIS fetched 2026-10-14 15:03:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-03-20
Expires	2027-03-31 (157d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
secontractors.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

26ms

39ms

32ms

AAAA

32ms

TXT

162ms

CAA

26ms

HTTPS

42ms

TLSA

751ms

SOA

46ms

MTA-STS

49ms

DNSSEC

54ms

SRV

50ms

Total

1229ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 05:05:12	1256ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-14 14:42:22	1146ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-13 13:51:35	1551ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-09 05:01:31	3745ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-07 14:55:23 shown	1229ms	2 NS 4 A 1 MX	🔒 Secure
2026-10-01 05:41:46	1439ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-14 15:52:02	1844ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-11 22:21:06	5617ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-07 14:00:33	5489ms	2 NS 4 A 1 MX	🔒 Secure
2026-07-02 16:01:28	2835ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-25 06:34:46	1114ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-17 20:27:04	1468ms	2 NS 4 A 1 MX	🔒 Secure