optisafe.dk

📜 Historical scan 2026-09-20 10:25:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optisafe.dk is a .dk domain served by 2 nameservers (ernest.ns.cloudflare.com, stephane.ns.cloudflare.com). It was registered on 30 April 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.155 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by optisafe-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ernest.ns.cloudflare.com	108.162.193.164 172.64.33.164 173.245.59.164 2606:4700:58::adf5:3ba4 2803:f800:50::6ca2:c1a4 2a06:98c1:50::ac40:21a4	ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com ernest.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stephane.ns.cloudflare.com	108.162.194.112 162.159.38.112 172.64.34.112 2606:4700:50::a29f:2670 2803:f800:50::6ca2:c270 2a06:98c1:50::ac40:2270	stephane.ns.cloudflare.com stephane.ns.cloudflare.com stephane.ns.cloudflare.com stephane.ns.cloudflare.com stephane.ns.cloudflare.com stephane.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.155	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	optisafe-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca38::a 2a01:111:f403:ca48::a 52.101.103.137 52.101.103.39 52.101.68.10 52.101.68.8	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5b9b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:af53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.155,172.67.175.83 ech=AEX+DQBB3wAgACAWWv2465/ppKSEVxwh/2j0fwBF8UaYJrWad7wd9oO5DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5b9b,2606:4700:3035::ac43:af53

📝 TXT Records#

1 records 231ms

TXT Record
v=spf1 a mx ip4:178.20.216.100 ip4:162.55.97.110 include:spf.chosting.dk include:spf.protection.outlook.com include:_spf.powerhosting.dk ~all

✉️ SPF#

Policy	Record (optisafe.dk)
~all (soft fail)	v=spf1 a mx ip4:178.20.216.100 ip4:162.55.97.110 include:spf.chosting.dk include:spf.protection.outlook.com include:_spf.powerhosting.dk ~all

📨 DMARC#

Policy	Record (_dmarc.optisafe.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-09 16:07:15

www	104.21.91.155 172.67.175.83 2606:4700:3033::6815:5b9b 2606:4700:3035::ac43:af53 (AS13335) (address records, no CNAME)
www vs bare domain	Same network optisafe.dk: 104.21.91.155 172.67.175.83 2606:4700:3033::6815:5b9b 2606:4700:3035::ac43:af53 (AS13335) www.optisafe.dk: 104.21.91.155 172.67.175.83 2606:4700:3033::6815:5b9b 2606:4700:3035::ac43:af53 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411851228
Primary NS (MNAME)	ernest.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 16:22:15

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-04-30
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

30ms

56ms

AAAA

30ms

TXT

231ms

CAA

35ms

HTTPS

31ms

TLSA

824ms

SOA

0ms

MTA-STS

71ms

DNSSEC

74ms

SRV

59ms

Total

2006ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 16:07:15	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 08:24:44	3154ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 08:12:43	2043ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 08:05:45	863ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 10:25:29 shown	2006ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 04:10:43	1721ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-29 21:07:42	2174ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 03:43:10	7379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:51:08	3344ms	2 NS 2 A 1 MX	🔓 Insecure