blivskiinstruktor.dk

📜 Historical scan 2026-08-30 04:27:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blivskiinstruktor.dk is a .dk domain served by 2 nameservers (bayan.ns.cloudflare.com, leah.ns.cloudflare.com). It was registered on 6 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.39 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
bayan.ns.cloudflare.com	108.162.193.72 172.64.33.72 173.245.59.72 2606:4700:58::adf5:3b48 2803:f800:50::6ca2:c148 2a06:98c1:50::ac40:2148	bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leah.ns.cloudflare.com	108.162.192.129 172.64.32.129 173.245.58.129 2606:4700:50::adf5:3a81 2803:f800:50::6ca2:c081 2a06:98c1:50::ac40:2081	leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.95	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.196.95
🔶 Autoconfig	172.67.196.95

🔷 AAAA Records (IPv6)#

2 records 133ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c45f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1527	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 133ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.39,172.67.196.95 ech=AEX+DQBBfgAgACChAqQw1JG6Amr187HEZ7tIv9OwQbKPPfyJVGa95Jd7QAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c45f,2606:4700:3037::6815:1527

📝 TXT Records#

4 records 324ms

TXT Record
facebook-domain-verification=jo2x5f3b0h09xpl52luzmlesoikxgd
google-site-verification=IimSzksO1QWpBTf-ploO4WixnmN5RYM2qNbrGMuAlak
google-site-verification=O9PR8WtFLyxyyV9bevScvqKeX3qvHiJiQER0EgMCDSw
v=spf1 a mx include:_spf.google.com ~all

✉️ SPF#

Policy	Record (blivskiinstruktor.dk)
~all (soft fail)	v=spf1 a mx include:_spf.google.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 2026-10-11 09:13:10

www	104.21.21.39 172.67.196.95 2606:4700:3031::ac43:c45f 2606:4700:3037::6815:1527 (AS13335) (address records, no CNAME)
www vs bare domain	Same network blivskiinstruktor.dk: 104.21.21.39 172.67.196.95 2606:4700:3031::ac43:c45f 2606:4700:3037::6815:1527 (AS13335) www.blivskiinstruktor.dk: 104.21.21.39 172.67.196.95 2606:4700:3031::ac43:c45f 2606:4700:3037::6815:1527 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blivskiinstruktor.dk	8Jeerv7wEq0cFEyO4OapsF6n-E4zTU5lToknWoYVIjw
TXT	_acme-challenge.blivskiinstruktor.dk	XnTqjHyWwFHA-gqJkQMlujP-qAIJixgWbodzqu3-A4k

🔗 TLSA / DANE#

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

🔐 DNSSEC#

242ms

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	2413443252
Primary NS (MNAME)	bayan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 09:49:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-07-06
Expires	2030-07-31 (1378d)

🔗 Same registrant#

18 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
adventureminds.dk	Simply.com A/S
blivskiinstruktør.dk	Punktum dk A/S (direct)
blivsnowboardinstruktor.dk	Simply.com A/S
blivsnowboardinstruktør.dk	Simply.com A/S
blivsurfer.dk	Simply.com A/S
blivsurflaerer.dk	Simply.com A/S
christoffervorre.dk	DANDOMAIN A/S
codeminds.dk	Simply.com A/S
cphskischool.dk	Simply.com A/S
globeminds.dk	Simply.com A/S
gruppeskiskole.dk	Simply.com A/S
instruktorhojskolen.dk	Simply.com A/S
skiinstruktoer.dk	Simply.com A/S
skiskolesnowminds.dk	Simply.com A/S
snowboardinstruktør.dk	Simply.com A/S
snowmindsrejser.dk	Simply.com A/S
waterminds.dk	Simply.com A/S
windminds.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

71ms

96ms

116ms

AAAA

133ms

TXT

324ms

CAA

100ms

HTTPS

133ms

TLSA

205ms

SOA

0ms

MTA-STS

187ms

DNSSEC

242ms

SRV

151ms

Total

1918ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 09:13:10	772ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 03:45:09	840ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-29 15:33:13	2815ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 12:58:22	800ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-10 07:30:31	1305ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-01 08:29:53	2162ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 04:27:02 shown	1918ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-12 07:53:10	1633ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 01:55:09	1939ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-21 02:23:10	610ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 14:50:35	682ms	2 NS 2 A 5 MX	🔓 Insecure