cryoem.dk

📜 Historical scan 2026-06-16 23:01:28 · ← 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 72ms

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

🌍 A Records#

2 records 68ms

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 72ms

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 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.46,172.67.215.17 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:562e,2606:4700:3034::ac43:d711

📝 TXT Records#

1 records 191ms

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#

187ms

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

🏷️ SOA#

71ms

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 (304d)

🔗 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#

72ms

68ms

71ms

AAAA

72ms

TXT

191ms

CAA

71ms

HTTPS

71ms

TLSA

91ms

SOA

71ms

MTA-STS

67ms

DNSSEC

187ms

SRV

0ms

Total

526ms

🕐 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	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 shown	526ms	2 NS 2 A 0 MX	🔓 Insecure