iot2.dk

📜 Historical scan 2026-10-06 08:22:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

iot2.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 6 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.154.166 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by iot2.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

4 records 155ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 150ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.154.166	3600s	omega.kjen.dk	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	iot2.dk	135.181.154.166	omega.kjen.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 332ms

TXT Record
v=spf1 mx:iot2.dk -all

✉️ SPF#

Policy	Record (iot2.dk)
-all (hard fail)	v=spf1 mx:iot2.dk -all

📨 DMARC#

Policy	Record (_dmarc.iot2.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100

📬 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 2026-10-13 09:12:14

www CNAME	iot2.dk (all on iot2.dk) → 135.181.154.166 (AS24940)
www vs bare domain	Same network iot2.dk: 135.181.154.166 (AS24940) www.iot2.dk: 135.181.154.166 (AS24940)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

256ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

66ms

Field	Value
Serial	2026100500
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 08:50:30

Field	Value
Registrar	Simply.com A/S
Registered	2019-12-06
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

155ms

150ms

103ms

AAAA

118ms

TXT

332ms

CAA

142ms

HTTPS

137ms

TLSA

145ms

SOA

66ms

MTA-STS

164ms

DNSSEC

256ms

SRV

155ms

Total

1266ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 09:12:14	617ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 20:43:12	387ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-06 08:22:57 shown	1266ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 06:31:43	495ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:21:14	686ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 07:35:10	554ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 05:22:32	775ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 18:16:52	934ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:06:17	684ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:59:43	1117ms	4 NS 1 A 1 MX	🔒 Secure