gutmann.dk

📜 Historical scan 2026-06-25 19:08:50 · ← 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 77ms

Nameserver	IP addresses	PTR	ASN / 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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.242	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.25	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:7f2	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bc19	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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

www	104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gutmann.dk: 104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335) www.gutmann.dk: 104.21.7.242 172.67.188.25 2606:4700:3031::6815:7f2 2606:4700:3033::ac43:bc19 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2406679043
Primary NS (MNAME)	joan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

77ms

38ms

37ms

AAAA

33ms

TXT

191ms

CAA

58ms

HTTPS

81ms

TLSA

60ms

SOA

36ms

MTA-STS

38ms

DNSSEC

94ms

SRV

73ms

Total

766ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:14:42	537ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 22:49:57	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 shown	766ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 10:12:21	2388ms	2 NS 2 A 0 MX	🔓 Insecure