blivskiinstruktor.dk

📜 Historical scan 2026-06-16 14:50:35  ·  ← 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   58ms
NameserverIP addressesPTRASN / ISP
bayan.ns.cloudflare.com — — —
leah.ns.cloudflare.com — — —

🌍 A Records#

2 records   57ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.21.39 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.196.95 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 64.233.164.27 lf-in-f27.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
10 — aspmx2.googlemail.com 192.178.211.27 lcbomp-in-f27.1e100.net AS15169 Google LLC
10 — aspmx3.googlemail.com 192.178.211.26 lcbomp-in-f26.1e100.net AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   52ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:1527 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:c45f — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   74ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.21.39,172.67.196.95 ech=AEX+DQBBkQAgACClJENMjJCKs8qIfd+04OvwQP4hU5mfUQK6PmcbIChPAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1527,2606:4700:3033::ac43:c45f

📝 TXT Records#

4 records   154ms
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#

PolicyRecord (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
www104.21.21.39 172.67.196.95 2606:4700:3031::ac43:c45f 2606:4700:3037::6815:1527 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

163ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2406851141
Primary NS (MNAME)bayan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 09:49:05
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2009-07-06
Expires2030-07-31 (1377d)

🔗 Same registrant#

21 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).

DomainRegistrar
adventureminds.dkSimply.com A/S
blivskiinstruktør.dkPunktum dk A/S (direct)
blivsnowboardinstruktor.dkSimply.com A/S
blivsnowboardinstruktør.dkSimply.com A/S
blivsurfer.dkSimply.com A/S
blivsurflaerer.dkSimply.com A/S
christoffervorre.dkDANDOMAIN A/S
codeminds.dkSimply.com A/S
copenhill-skischool-snowminds.dkSimply.com A/S
cphskischool.dkSimply.com A/S
globeminds.dkSimply.com A/S
gruppeskiskole.dkSimply.com A/S
instruktorhojskolen.dkSimply.com A/S
privatskiskole.dkSimply.com A/S
skiinstruktoer.dkSimply.com A/S
skiskolesnowminds.dkSimply.com A/S
snowboardinstruktør.dkSimply.com A/S
snowminds.dkPunktum dk A/S (direct)
snowmindsrejser.dkSimply.com A/S
waterminds.dkSimply.com A/S
windminds.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
58ms
A
57ms
MX
48ms
AAAA
52ms
TXT
154ms
CAA
61ms
HTTPS
74ms
TLSA
69ms
SOA
58ms
MTA-STS
63ms
DNSSEC
163ms
SRV
0ms
Total
682ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 682ms 2 NS 2 A 5 MX 🔓 Insecure
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