holtum.dk

Records from scan: 2026-10-01 03:43:34 · 6743ms total · last checked 2026-10-16 00:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtum.dk is a .dk domain served by 3 nameservers (ns1.konformit.com, ns2.konformit.com, ns3.konformit.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.209.190.150 is hosted by Kontainer A/S (AS198452) in Denmark. Mail is handled by mx1.konformit.com, mx2.konformit.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.konformit.com	91.209.190.99	ns1.konformit.com	AS198452 Kontainer A/S
ns2.konformit.com	188.94.25.42	—	AS20694 NMMN GmbH
ns3.konformit.com	185.170.133.60	—	AS3342 Cibicom A/S

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.209.190.150	43200s	konlinux1.konformit.com	AS198452	Kontainer A/S	91.209.190.0/24	🇩🇰 Denmark	—

📧 MX Records#

2 records 2041ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx1.konformit.com	185.84.132.2 185.84.132.4	mx1.konformit.com mx1.konformit.com	AS198452 Kontainer A/S AS198452 Kontainer A/S
20	43200s	mx2.konformit.com	185.84.132.3 185.84.132.5	mx2.konformit.com mx2.konformit.com	AS198452 Kontainer A/S AS198452 Kontainer A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 255ms

TXT Record
v=spf1 ptr:zensystems.dk ptr:gullestrupnet.dk include:konformit.com -all

✉️ SPF#

Policy	Record (holtum.dk)
-all (hard fail)	v=spf1 ptr:zensystems.dk ptr:gullestrupnet.dk include:konformit.com -all

📨 DMARC#

Policy	Record (_dmarc.holtum.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; sp=none

📬 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#

checked 2026-10-09 05:54:25

www CNAME	mysite.format.com (all on format.com) → 104.18.132.62 104.18.133.62 104.18.134.62 104.18.135.62 104.18.136.62 (AS13335)
www vs bare domain	Different networks holtum.dk: 91.209.190.150 (AS198452) www.holtum.dk: 104.18.132.62 104.18.133.62 104.18.134.62 104.18.135.62 (AS13335) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2081ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2025101301
Primary NS (MNAME)	ns1.konformit.com
Responsible (RNAME)	js@konform.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

46ms

48ms

2041ms

AAAA

52ms

TXT

255ms

CAA

2056ms

HTTPS

2061ms

TLSA

2075ms

SOA

49ms

MTA-STS

76ms

DNSSEC

2081ms

SRV

2341ms

Total

6743ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:43:34 shown	6743ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-30 02:04:08	5633ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-26 13:37:46	639ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-02 16:09:23	636ms	3 NS 1 A 2 MX	🔓 Insecure
2026-07-26 00:49:26	6651ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-26 05:34:17	1059ms	3 NS 1 A 2 MX	🔓 Insecure
2026-06-17 14:24:11	638ms	3 NS 1 A 2 MX	🔓 Insecure