optiit.dk

📜 Historical scan 2026-08-21 00:02:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

optiit.dk is a .dk domain served by 2 nameservers (dora.ns.cloudflare.com, sam.ns.cloudflare.com). It was registered on 19 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by optiit-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 87ms

Nameserver	IP addresses	PTR	ASN / ISP
dora.ns.cloudflare.com	108.162.192.108 172.64.32.108 173.245.58.108 2606:4700:50::adf5:3a6c 2803:f800:50::6ca2:c06c 2a06:98c1:50::ac40:206c	dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com dora.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sam.ns.cloudflare.com	108.162.193.141 172.64.33.141 173.245.59.141 2606:4700:58::adf5:3b8d 2803:f800:50::6ca2:c18d 2a06:98c1:50::ac40:218d	sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.ns.cloudflare.com sam.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 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optiit-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.97.137.120

🔷 AAAA Records (IPv6)#

2 records 96ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 72ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.3,188.114.97.3 ech=AEX+DQBBWwAgACAl0cySpaKbsYtMDeQNpcuOADTNH4TNuNvI5zKwVsZwFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::3,2a06:98c1:3121::3

📝 TXT Records#

2 records 291ms

TXT Record
MS=ms49998114
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (optiit.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.optiit.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:62f8844389064c2da074c272d209df04@dmarc-reports.cloudflare.net,mailto:dmarc_agg@vali.email

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 71ms

Flags	Tag	Value
0	iodef	mailto:certificates@bondit.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 07:10:16

www	104.21.82.246 172.67.166.53 2606:4700:3030::6815:52f6 2606:4700:3036::ac43:a635 (AS13335) (address records, no CNAME)
www vs bare domain	Same network optiit.dk: 104.21.82.246 172.67.166.53 2606:4700:3030::6815:52f6 2606:4700:3036::ac43:a635 (AS13335) www.optiit.dk: 104.21.82.246 172.67.166.53 2606:4700:3030::6815:52f6 2606:4700:3036::ac43:a635 (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-optiit-dk._domainkey.bonditdk.n-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-optiit-dk._domainkey.bonditdk.n-v1.dkim.mail.microsoft	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

204ms

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	2412744620
Primary NS (MNAME)	dora.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 22:42:56

Field	Value
Registrar	dns.services ApS
Registered	2023-02-19
Expires	2027-02-18 (118d)

📋 WHOIS#

⏱️ Lookup Timing#

87ms

92ms

89ms

AAAA

96ms

TXT

291ms

CAA

71ms

HTTPS

72ms

TLSA

156ms

SOA

0ms

MTA-STS

91ms

DNSSEC

204ms

SRV

157ms

Total

1796ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 07:10:16	1262ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-06 22:10:41	3476ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 19:33:18	1221ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 05:12:26	1108ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 00:02:26 shown	1796ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 12:54:24	1275ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 23:38:55	897ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 16:58:17	1161ms	2 NS 2 A 1 MX	🔓 Insecure