onetwo.dk

📜 Historical scan 2026-06-20 16:30:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onetwo.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 1 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.91.36 is hosted by Altibox Danmark AS (AS214875) in Denmark. Mail is handled by onetwo.dk. The zone is DNSSEC-signed and validates, has no 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   79ms
NameserverIP addressesPTRASN / 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   97ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.228.91.36 600s 188.228.91.36.dynamic.altibox.net AS214875 Altibox Danmark AS 188.228.88.0/22 🇩🇰 Denmark Holstebro

📧 MX Records#

1 records   86ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s onetwo.dk 188.228.91.36 188.228.91.36.dynamic.altibox.net AS214875 Altibox Danmark AS

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover188.228.91.36
🔶 Autoconfig188.228.91.36

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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 2026-10-13 15:01:36
www188.228.91.36 (AS214875) (address records, no CNAME)
www vs bare domainSame network
onetwo.dk: 188.228.91.36 (AS214875)
www.onetwo.dk: 188.228.91.36 (AS214875)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

207ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

107ms
FieldValue
Serial2025111900
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-10 04:23:07
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2018-07-01
Expires2027-07-31 (282d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
79ms
A
97ms
MX
86ms
AAAA
96ms
TXT
363ms
CAA
83ms
HTTPS
95ms
TLSA
142ms
SOA
107ms
MTA-STS
149ms
DNSSEC
207ms
SRV
144ms
Total
820ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 15:01:36 453ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-08 07:06:10 533ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-02 05:53:23 1492ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-27 16:53:07 539ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-18 01:45:36 24857ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-01 03:39:18 863ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 16:30:14 shown 820ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 07:38:30 547ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 23:33:41 762ms 4 NS 1 A 1 MX 🔒 Secure
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