cryoem.dk

📜 Historical scan 2026-06-16 23:17:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cryoem.dk is a .dk domain served by 2 nameservers (piotr.ns.cloudflare.com, rayne.ns.cloudflare.com). It was registered on 18 August 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.46 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 129ms

Nameserver	IP addresses	PTR	ASN / ISP
piotr.ns.cloudflare.com	—	—	—
rayne.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 158ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.46	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.17	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 146ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:562e	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d711	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 162ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.46,172.67.215.17 ech=AEX+DQBBxAAgACDj7TsM1XQ2Je0M+m3yUJPxgZYPa5bYDBn/ZlIFcoqSfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:562e,2606:4700:3034::ac43:d711

📝 TXT Records#

1 records 320ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (cryoem.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.cryoem.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:8052c332a9ab4845b4763ca1310ab778@dmarc-reports.cloudflare.net;

📬 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 11:08:21

www	Exists, no address
www vs bare domain	www does not resolve cryoem.dk: 104.21.86.46 172.67.215.17 2606:4700:3031::6815:562e 2606:4700:3034::ac43:d711 (AS13335) www.cryoem.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

319ms

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

🏷️ SOA#

154ms

Field	Value
Serial	2406766704
Primary NS (MNAME)	piotr.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 11:24:56

Field	Value
Registrar	DANDOMAIN A/S
Registered	2023-08-18
Expires	2027-08-17 (302d)

🔗 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#

129ms

158ms

179ms

AAAA

146ms

TXT

320ms

CAA

128ms

HTTPS

162ms

TLSA

160ms

SOA

154ms

MTA-STS

175ms

DNSSEC

319ms

SRV

0ms

Total

1286ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 11:08:20	1592ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-08 06:36:13	453ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 01:51:23	714ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 01:32:47	657ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 00:54:37	2507ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 13:35:15	583ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 12:49:54	705ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 23:29:34	1347ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 16:02:14	766ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 23:04:09	1941ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 02:44:45	1098ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-04 05:47:14	1628ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-24 11:05:54	1369ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-07 03:49:12	1594ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 04:28:01	877ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 10:09:28	802ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 10:11:10	1067ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 00:37:17	63084ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:17:09 shown	1286ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:09:14	378ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 23:01:28	526ms	2 NS 2 A 0 MX	🔓 Insecure