iotron.dk

📜 Historical scan 2026-09-23 20:21:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iotron.dk is a .dk domain served by 2 nameservers (ns14.inviso.se, ns15.inviso.se). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.208.221.10 is hosted by Infracom Managed Services AB (AS29468) in Sweden. Mail is handled by mail10.inviso.se. The zone is not DNSSEC-signed, publishes a 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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns14.inviso.se	2a02:752:0:18::245 46.246.38.45	ns14.inviso.se ns14.inviso.se	AS42708 Glesys AB AS42708 Glesys AB
ns15.inviso.se	2001:67c:12b0::15 91.208.221.15	ns15.inviso.se ns15.inviso.se	AS29468 Infracom Managed Services AB AS29468 Infracom Managed Services AB

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.208.221.10	7200s	mail10.inviso.se	AS29468	Infracom Managed Services AB	91.208.221.0/24	🇸🇪 Sweden	Gothenburg

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	mail10.inviso.se	2001:67c:12b0::10 91.208.221.10	mail10.inviso.se mail10.inviso.se	AS29468 Infracom Managed Services AB AS29468 Infracom Managed Services AB

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.www10.inviso.se → 91.208.221.10
🔶 Autoconfig	autoconfig.www10.inviso.se → 91.208.221.10

🔷 AAAA Records (IPv6)#

1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:67c:12b0::10	7200s	mail10.inviso.se	AS29468	Infracom Managed Services AB	2001:67c:12b0:0:0:0:0:0/48	🇸🇪 Sweden	Gothenburg

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 78ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.www10.inviso.se

📝 TXT Records#

1 records 207ms

TXT Record
v=spf1 a mx include:spf.inviso.se -all

✉️ SPF#

Policy	Record (iotron.dk)
-all (hard fail)	v=spf1 a mx include:spf.inviso.se -all

📨 DMARC#

Policy	Record (_dmarc.iotron.dk)
p=none (monitor only)	v=DMARC1; p=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#

latest probe, not this scan · checked 2026-10-07 23:35:38

www	91.208.221.10 2001:67c:12b0::10 (AS29468) (address records, no CNAME)
www vs bare domain	Same network iotron.dk: 91.208.221.10 2001:67c:12b0::10 (AS29468) www.iotron.dk: 91.208.221.10 2001:67c:12b0::10 (AS29468)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9076ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024060401
Primary NS (MNAME)	ns15.inviso.se
Responsible (RNAME)	admin@inviso.se
Refresh	28800s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

53ms

55ms

48ms

AAAA

39ms

TXT

207ms

CAA

30ms

HTTPS

47ms

TLSA

133ms

SOA

0ms

MTA-STS

73ms

DNSSEC

9076ms

SRV

78ms

Total

9489ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 22:20:18	850ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 20:21:52 shown	9489ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 18:50:19	614ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 08:09:05	1561ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 04:31:29	1142ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:46:48	1181ms	2 NS 1 A 1 MX	🔓 Insecure