simbio.dk

📜 Historical scan 2026-10-08 17:06:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simbio.dk is a .dk domain served by 2 nameservers (teresa.ns.cloudflare.com, yevgen.ns.cloudflare.com). It was registered on 4 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.237 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
teresa.ns.cloudflare.com	108.162.194.216 162.159.38.216 172.64.34.216 2606:4700:50::a29f:26d8 2803:f800:50::6ca2:c2d8 2a06:98c1:50::ac40:22d8	teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com teresa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yevgen.ns.cloudflare.com	108.162.195.223 162.159.44.223 172.64.35.223 2606:4700:58::a29f:2cdf 2803:f800:50::6ca2:c3df 2a06:98c1:50::ac40:23df	yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.237	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.3	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.163.27	lm-in-x1b.1e100.net lm-in-f27.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
40	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:4ded	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d503	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.237,172.67.213.3 ech=AEX+DQBBzwAgACBk2EGAJT/6AbFD4B0q+LNko/T+beF+9AM5AuHX+m9rNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4ded,2606:4700:3035::ac43:d503

📝 TXT Records#

1 records 162ms

TXT Record
google-site-verification=poQ6kvJTfZLBUD60AUZ-LrRQzQOqJl_ABJ-QHYB1X50

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 11:06:46

www	104.21.77.237 172.67.213.3 2606:4700:3035::6815:4ded 2606:4700:3035::ac43:d503 (AS13335) (address records, no CNAME)
www vs bare domain	Same network simbio.dk: 104.21.77.237 172.67.213.3 2606:4700:3035::6815:4ded 2606:4700:3035::ac43:d503 (AS13335) www.simbio.dk: 104.21.77.237 172.67.213.3 2606:4700:3035::6815:4ded 2606:4700:3035::ac43:d503 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2416885399
Primary NS (MNAME)	teresa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 14:32:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-01-04
Expires	2027-01-31 (105d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

49ms

35ms

29ms

AAAA

36ms

TXT

162ms

CAA

33ms

HTTPS

33ms

TLSA

119ms

SOA

39ms

MTA-STS

54ms

DNSSEC

120ms

SRV

59ms

Total

1056ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:06:46	526ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-08 17:06:19 shown	1056ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 12:08:39	10205ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-22 09:32:40	819ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-16 16:25:58	1777ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-12 22:11:32	1335ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 08:07:26	840ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-10 05:43:46	6405ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-18 12:18:15	10974ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-22 09:29:25	1283ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 09:18:10	978ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:29:26	3831ms	2 NS 2 A 5 MX	🔓 Insecure