gusteck.dk

📜 Historical scan 2026-09-30 01:42:06  ·  ← 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 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   31ms
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   47ms
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   45ms
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
🔷 Autodiscover104.21.27.133
🔶 Autoconfig172.67.142.159

🔷 AAAA Records (IPv6)#

2 records   35ms
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   53ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.27.133,172.67.142.159 ech=AEX+DQBBpwAgACBsvQhfm0PVNll0uU+f1Ai35w4RxTaBfgUQz7v4a8AKSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:1b85,2606:4700:3037::ac43:8e9f

📝 TXT Records#

1 records   300ms
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 6zZowXDY47BlGKoIz0fVikanvdsCJpPJpqV7G2S-Sx8
TXT _acme-challenge.gusteck.dk FuE2_Svt_3i9Ln6_BWh2xsN8QmmWK_DwNYoLW63arT4

🔗 TLSA / DANE#

3 records   162ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

84ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415816016
Primary NS (MNAME)jaime.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
47ms
MX
45ms
AAAA
35ms
TXT
300ms
CAA
46ms
HTTPS
53ms
TLSA
162ms
SOA
0ms
MTA-STS
47ms
DNSSEC
84ms
SRV
92ms
Total
828ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-01 01:52:09 861ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 01:42:06 shown 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 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