blueoffice.dk

📜 Historical scan 2026-06-16 15:07:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blueoffice.dk is a .dk domain served by 2 nameservers (ricardo.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 1 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ricardo.ns.cloudflare.com	—	—	—
ruth.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.206	—	—	AS13335	—	—	—	—
172.67.181.77	—	—	AS13335	—	—	—	—

📧 MX Records#

5 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	74.125.205.26	le-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26	lcbomp-in-f26.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26	tp-in-f26.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.27	tp-in-f27.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.26	yudlsqd-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b54d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:53ce	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.206,172.67.181.77 ech=AEX+DQBBQwAgACB/kjJxhdKdMifzADCBWwX4suHL5sc8EO3CxwUV7BdUPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b54d,2606:4700:3037::6815:53ce

📝 TXT Records#

6 records 135ms

TXT Record
brevo-code:2b88a6e49cbe7effcf0ec0c37427f4d2
facebook-domain-verification=2006r6gl133096sp4jwjq6l9ivm7mg
google-site-verification=D75UkIllIRTqGa_HlovzA0mzVO-AR1t6oc2P6K_HTiQ
google-site-verification=FWu1oWoGzL4TB5BLycYkOgn1TKZTVVH6bHCQph4Jk2I
google-site-verification=oMW9RLC2dKzjxe4gnNCXRhMWEIRzS1hRj-58J3y18i4
v=spf1 include:_spf.google.com include:mailgun.org include:mail.zendesk.com ~all

✉️ SPF#

Policy	Record (blueoffice.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:mailgun.org include:mail.zendesk.com ~all

📨 DMARC#

Policy	Record (_dmarc.blueoffice.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 05:29:15

www	104.21.83.206 172.67.181.77 2606:4700:3036::6815:53ce 2606:4700:3037::ac43:b54d (AS13335) (address records, no CNAME)
www vs bare domain	Same network blueoffice.dk: 104.21.83.206 172.67.181.77 2606:4700:3036::6815:53ce 2606:4700:3037::ac43:b54d (AS13335) www.blueoffice.dk: 104.21.83.206 172.67.181.77 2606:4700:3036::6815:53ce 2606:4700:3037::ac43:b54d (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 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#

61ms

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

🏷️ SOA#

52ms

Field	Value
Serial	2406743704
Primary NS (MNAME)	ricardo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 17:32:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-01
Expires	2027-05-31 (226d)

🔗 Same registrant#

3 domains

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
blueberry.dk	DANDOMAIN A/S
tabletopgaming.dk	Punktum dk A/S (direct)
zonix.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

61ms

54ms

58ms

AAAA

34ms

TXT

135ms

CAA

49ms

HTTPS

40ms

TLSA

52ms

SOA

52ms

MTA-STS

34ms

DNSSEC

61ms

SRV

0ms

Total

528ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:29:15	634ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-07 10:07:52	1229ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-04 09:19:29	585ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-20 06:26:15	1787ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-10 14:10:57	5900ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-20 12:38:08	1481ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-02 00:19:55	1241ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 15:20:08	5702ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 15:10:11	2076ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 15:07:07 shown	528ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 15:00:41	641ms	2 NS 2 A 5 MX	🔓 Insecure