gutmann.dk

📜 Historical scan 2026-09-20 22:49:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gutmann.dk is a .dk domain served by 2 nameservers (joan.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.242 is hosted by Cloudflare, Inc. (AS13335). 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   82ms
NameserverIP addressesPTRASN / ISP
joan.ns.cloudflare.com 108.162.192.173
172.64.32.173
173.245.58.173
2606:4700:50::adf5:3aad
2803:f800:50::6ca2:c0ad
2a06:98c1:50::ac40:20ad		 joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com
joan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com 108.162.193.197
172.64.33.197
173.245.59.197
2606:4700:58::adf5:3bc5
2803:f800:50::6ca2:c1c5
2a06:98c1:50::ac40:21c5		 lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.ns.cloudflare.com
lloyd.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   110ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.7.242 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.188.25 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   101ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::6815:7f2 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3033::ac43:bc19 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   92ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.242,172.67.188.25 ech=AEX+DQBBtgAgACCafzqTEyqKpoV7Qqpi0bWPkwcFA18QCLtTFQ3FA2HPFAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:7f2,2606:4700:3033::ac43:bc19

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-07 14:14:42
www104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

153ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414962380
Primary NS (MNAME)joan.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
82ms
A
110ms
MX
119ms
AAAA
101ms
TXT
284ms
CAA
134ms
HTTPS
92ms
TLSA
545ms
SOA
0ms
MTA-STS
113ms
DNSSEC
153ms
SRV
151ms
Total
1261ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 14:14:42 537ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-20 22:49:57 shown 1261ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-13 19:55:05 568ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-09 18:24:01 901ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-19 05:28:07 9864ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-25 19:08:50 766ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 10:12:21 2388ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone