gusteck.dk

📜 Historical scan 2026-09-03 18:44:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gusteck.dk is a .dk domain served by 2 nameservers (jaime.ns.cloudflare.com, lilyana.ns.cloudflare.com). It was registered on 27 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.133 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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   44ms
NameserverIP addressesPTRASN / ISP
jaime.ns.cloudflare.com 108.162.195.102
162.159.44.102
172.64.35.102
2606:4700:58::a29f:2c66
2803:f800:50::6ca2:c366
2a06:98c1:50::ac40:2366		 jaime.ns.cloudflare.com
jaime.ns.cloudflare.com
jaime.ns.cloudflare.com
jaime.ns.cloudflare.com
jaime.ns.cloudflare.com
jaime.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lilyana.ns.cloudflare.com 108.162.194.244
162.159.38.244
172.64.34.244
2606:4700:50::a29f:26f4
2803:f800:50::6ca2:c2f4
2a06:98c1:50::ac40:22f4		 lilyana.ns.cloudflare.com
lilyana.ns.cloudflare.com
lilyana.ns.cloudflare.com
lilyana.ns.cloudflare.com
lilyana.ns.cloudflare.com
lilyana.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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.27.133 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.142.159 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.142.159
🔶 Autoconfig104.21.27.133

🔷 AAAA Records (IPv6)#

2 records   30ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3037::6815:1b85 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:8e9f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   28ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.27.133,172.67.142.159 ech=AEX+DQBBaAAgACDVSTPpM3hpHyr4UskBCfwrwlZvgJgid+ggFVWwOKsmZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1b85,2606:4700:3037::ac43:8e9f

📝 TXT Records#

1 records   164ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (gusteck.dk)
-all (hard fail) v=spf1 include:spf.simply.com -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 2026-10-11 17:45:47
www104.21.27.133 172.67.142.159 2606:4700:3037::6815:1b85 2606:4700:3037::ac43:8e9f (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.gusteck.dk V4WFT1WOIFmBWEOXArsaE-I6t8rz8xP9rzwLOBDqIvw
TXT _acme-challenge.gusteck.dk qC8_MohC05Lzb-yZFwbL4pd3F3h5xGRrwlTWPXFpF7g

🔗 TLSA / DANE#

2 records   53ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413893454
Primary NS (MNAME)jaime.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 05:36:47
FieldValue
RegistrarSimply.com A/S
Registered2024-05-27
Expires2027-05-26 (216d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
nuckh.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
26ms
MX
26ms
AAAA
30ms
TXT
164ms
CAA
51ms
HTTPS
28ms
TLSA
53ms
SOA
0ms
MTA-STS
51ms
DNSSEC
106ms
SRV
69ms
Total
641ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 01:52:09 861ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 01:42:06 828ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-26 03:16:58 1216ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 02:39:56 651ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-20 04:02:22 1325ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-10 20:39:09 2006ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-03 18:44:33 shown 641ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 20:43:24 1088ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-20 01:33:09 9784ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-09 04:15:33 1986ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-28 15:24:29 865ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 23:34:24 893ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-21 06:07:30 1323ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 00:28:23 2964ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 10:50:23 913ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 10:44:41 1648ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone