krystalhulen.dk

📜 Historical scan 2026-10-19 23:19:25  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

krystalhulen.dk is a .dk domain served by 2 nameservers (olof.ns.cloudflare.com, walk.ns.cloudflare.com). It was registered on 27 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.140 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. 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   39ms

🌍 A Records#

2 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.13.140 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.132.226 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   33ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover213.184.85.15
🔶 Autoconfig213.184.85.15

🔷 AAAA Records (IPv6)#

2 records   39ms

🔐 HTTPS Records#

1 records   30ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.13.140,172.67.132.226 ech=AEX+DQBBfAAgACA7PZFnKm92jj5ZTGcAzeUs/wWa8y9Esg7Xva8fKqKISAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:84e2,2606:4700:3033::6815:d8c

🔌 SRV Records#

1 records   66ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   167ms
TXT Record
v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net ip4:51.195.4.80 ip4:151.80.20.123 ip4:193.70.100.196 +a +mx ~all

✉️ SPF#

PolicyRecord (krystalhulen.dk)
~all (soft fail) v=spf1 ip4:213.184.85.15 include:_relayspf.hosting4real.net ip4:51.195.4.80 ip4:151.80.20.123 ip4:193.70.100.196 +a +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 2026-10-24 08:39:18

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.krystalhulen.dk GpEh1pJZbqJ_YoW-cvVy2vPGxe_1Uu2VrR_DTCtWa3M
TXT _acme-challenge.krystalhulen.dk Gua7NfqdMu-7k05hxViGT5FU92I8mXILef1IQ4OD7K8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

104ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

43ms
FieldValue
Serial2417894905
Primary NS (MNAME)olof.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 11:23:42
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-02-27
Expires2027-02-28 (124d)

🔗 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#

NS
39ms
A
33ms
MX
33ms
AAAA
39ms
TXT
167ms
CAA
32ms
HTTPS
30ms
TLSA
103ms
SOA
43ms
MTA-STS
51ms
DNSSEC
104ms
SRV
66ms
Total
1922ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 08:39:18 683ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-22 21:00:17 761ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-19 23:19:25 shown 1922ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-27 20:45:13 1885ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 12:11:16 1195ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-07 11:11:52 2578ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-30 02:54:06 10366ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-28 12:05:21 1298ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-27 07:58:40 1393ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-26 07:24:54 2299ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-25 06:49:19 9946ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-24 06:05:54 1107ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-23 05:10:49 1229ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-21 01:25:15 9901ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-19 05:22:06 3565ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-18 03:47:01 5683ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-16 00:20:46 1215ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-13 19:30:06 1509ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-12 01:45:49 10006ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-10 15:43:50 8920ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-08 13:34:59 2438ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-06 11:21:10 1380ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-04 21:02:56 9889ms 4 NS 1 A 2 MX 🔓 Insecure
2026-07-03 12:34:59 960ms 4 NS 1 A 2 MX 🔓 Insecure
2026-06-30 23:00:52 1030ms 4 NS 1 A 2 MX 🔓 Insecure
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