blumtech.dk

📜 Historical scan 2026-08-28 21:12:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blumtech.dk is a .dk domain served by 2 nameservers (elias.ns.cloudflare.com, rayne.ns.cloudflare.com). It was registered on 1 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.52 is hosted by Cloudflare, Inc. (AS13335). 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 24ms

Nameserver	IP addresses	PTR	ASN / ISP
elias.ns.cloudflare.com	108.162.195.29 162.159.44.29 172.64.35.29 2606:4700:58::a29f:2c1d 2803:f800:50::6ca2:c31d 2a06:98c1:50::ac40:231d	elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com elias.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rayne.ns.cloudflare.com	108.162.194.11 162.159.38.11 172.64.34.11 2606:4700:50::a29f:260b 2803:f800:50::6ca2:c20b 2a06:98c1:50::ac40:220b	rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.ns.cloudflare.com rayne.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.52	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1a34	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8767	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.52,172.67.135.103 ech=AEX+DQBBOwAgACD+m/Qfo1jU0aqvMNakkb9kSsvoFMkgD7zHmn/7Mi4mJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1a34,2606:4700:3036::ac43:8767

📝 TXT Records#

1 records 148ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (blumtech.dk)
-all (hard fail)	v=spf1 mx -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 2026-10-10 16:43:38

www	104.21.26.52 172.67.135.103 2606:4700:3034::6815:1a34 2606:4700:3036::ac43:8767 (AS13335) (address records, no CNAME)
www vs bare domain	Same network blumtech.dk: 104.21.26.52 172.67.135.103 2606:4700:3034::6815:1a34 2606:4700:3036::ac43:8767 (AS13335) www.blumtech.dk: 104.21.26.52 172.67.135.103 2606:4700:3034::6815:1a34 2606:4700:3036::ac43:8767 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.blumtech.dk	9QYSpdvL1qBUSIkfRAo7is_myP6VseMff_9KYI-VbBA
TXT	_acme-challenge.blumtech.dk	V88qjGWcscNSAkvHKbwXvS2PV55GtCCwPAuuRuiwSog

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

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	2413365730
Primary NS (MNAME)	elias.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 17:13:18

Field	Value
Registrar	united-domains GmbH
Registered	2020-05-01
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

34ms

31ms

AAAA

26ms

TXT

148ms

CAA

33ms

HTTPS

39ms

TLSA

52ms

SOA

0ms

MTA-STS

46ms

DNSSEC

97ms

SRV

56ms

Total

1003ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 16:43:38	399ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 15:39:58	607ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 00:53:14	750ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 11:55:25	1152ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 05:58:34	458ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 21:12:52 shown	1003ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 13:57:34	668ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 22:06:31	3243ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 12:27:41	3209ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 13:28:55	818ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 15:05:34	427ms	2 NS 2 A 0 MX	🔓 Insecure