cryoem.dk

📜 Historical scan 2026-08-04 05:47:14 · ← 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 226ms

Nameserver	IP addresses	PTR	ASN / ISP
piotr.ns.cloudflare.com	108.162.193.222 172.64.33.222 173.245.59.222 2606:4700:58::adf5:3bde 2803:f800:50::6ca2:c1de 2a06:98c1:50::ac40:21de	piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.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 230ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.46	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.17	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 137ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:562e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d711	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 120ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.46,172.67.215.17 ech=AEX+DQBBngAgACCAzZZfBJ6bXFrTj4vM0PdewqBXY1OFSA6mAsB0rZSAcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:562e,2606:4700:3034::ac43:d711

📝 TXT Records#

1 records 435ms

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#

196ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410913909
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 (303d)

🔗 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#

226ms

230ms

133ms

AAAA

137ms

TXT

435ms

CAA

95ms

HTTPS

120ms

TLSA

421ms

SOA

0ms

MTA-STS

106ms

DNSSEC

196ms

SRV

306ms

Total

1628ms

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