blodtjek.dk

Records from scan: 2026-10-13 11:35:35 · 1637ms total · last checked 2026-10-18 17:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blodtjek.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 September 2026 (WHOIS) and first appeared in the .dk zone on 24 September 2026. Its website address 51.105.228.104 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 274ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 293ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.105.228.104	600s	—	AS8075	Microsoft Corporation	51.104.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

5 records 290ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.213.27 2a00:1450:4013:c1e::1b	yugrqzs-in-f27.1e100.net yugrqzs-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.179.20.26 2404:6800:4000:1027::1a	ncboms-in-f26.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	142.250.147.26 2404:6800:4013:813::1a	rd-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 431ms

TXT Record
_tg6ah5fql1e883db6o1o9h7xsjugja9
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (blodtjek.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.blodtjek.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:osman@blodtjek.dk

📬 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#

checked 2026-10-13 11:35:36

www CNAME	green-wave-063a61703.4.azurestaticapps.net (all on azurestaticapps.net) → 51.105.228.104 (AS8075)
www vs bare domain	Same network blodtjek.dk: 51.105.228.104 (AS8075) www.blodtjek.dk: 51.105.228.104 (AS8075)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

399ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

70ms

Field	Value
Serial	2026101204
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-04 10:12:37

Field	Value
Registrar	Simply.com A/S
Registered	2026-09-23
Expires	2027-09-22 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

274ms

293ms

290ms

AAAA

245ms

TXT

431ms

CAA

231ms

HTTPS

257ms

TLSA

329ms

SOA

70ms

MTA-STS

297ms

DNSSEC

399ms

SRV

293ms

Total

1637ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 11:35:35 shown	1637ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-04 10:04:01	690ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-03 10:03:43	700ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-01 09:45:52	940ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-24 08:38:24	587ms	3 NS 0 A 0 MX	🔒 Secure