ensureit.dk

📜 Historical scan 2026-06-20 15:54:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ensureit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.155 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by ensureit-dk.mail.protection.outlook.com, backup-mx.post.tele.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 89ms

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#

1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.155	3600s	webcluster28.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ensureit-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.39 52.101.68.8 52.101.73.12	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.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
100	3600s	backup-mx.post.tele.dk	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.241.184

🔷 AAAA Records (IPv6)#

1 records 98ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:db:6a7:cbd8:349b	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

📝 TXT Records#

1 records 312ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:web.shared.mysmtp.com ~all

✉️ SPF#

Policy	Record (ensureit.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:web.shared.mysmtp.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 17:35:38

www	77.111.240.155 2a02:2350:5:102:db:6a7:cbd8:349b (AS51468) (address records, no CNAME)
www vs bare domain	Same network ensureit.dk: 77.111.240.155 2a02:2350:5:102:db:6a7:cbd8:349b (AS51468) www.ensureit.dk: 77.111.240.155 2a02:2350:5:102:db:6a7:cbd8:349b (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

265ms

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

🏷️ SOA#

85ms

Field	Value
Serial	2026061501
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 2026-10-07 14:01:09

Field	Value
Registrar	ONE.COM A/S
Registered	2009-10-27
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

91ms

103ms

AAAA

98ms

TXT

312ms

CAA

82ms

HTTPS

102ms

TLSA

285ms

SOA

85ms

MTA-STS

113ms

DNSSEC

265ms

SRV

225ms

Total

1386ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:31:35	3388ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-24 04:20:09	1257ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-17 11:58:31	1118ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-10 10:56:13	3363ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-25 09:05:54	1017ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-16 01:06:49	9510ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-16 20:02:10	1221ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 16:29:45	1284ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 15:54:56 shown	1386ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 07:45:37	535ms	2 NS 1 A 2 MX	🔒 Secure