simplex-group.dk

📜 Historical scan 2026-09-30 18:54:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simplex-group.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.5.39.153 is hosted by Bo data ApS (AS49974) in Denmark. Mail is handled by simplexgroup-dk01i.mail.protection.outlook.com. 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.5.39.153	600s	ispconfig.eero.dk	AS49974	Bo data ApS	213.5.32.0/21	🇩🇰 Denmark	Vildbjerg

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simplexgroup-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::26 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::8 52.101.185.114 52.101.185.21 52.101.73.126 52.101.91.21	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 67ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 169ms

TXT Record
MS=ms51707722
v=spf1 a mx include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (simplex-group.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.simplex-group.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=s;

📬 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 2026-10-16 10:49:28

www	213.5.39.153 (AS49974) (address records, no CNAME)
www vs bare domain	Same network simplex-group.dk: 213.5.39.153 (AS49974) www.simplex-group.dk: 213.5.39.153 (AS49974)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026091401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

33ms

40ms

36ms

AAAA

44ms

TXT

169ms

CAA

28ms

HTTPS

48ms

TLSA

587ms

SOA

39ms

MTA-STS

48ms

DNSSEC

92ms

SRV

67ms

Total

1017ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 10:49:28	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:54:57 shown	1017ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 02:58:03	767ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 18:10:40	1990ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 17:41:51	1152ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:24:24	1510ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 05:49:18	1361ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 13:17:26	1352ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 00:48:35	9738ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:24:17	916ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 13:36:23	3948ms	2 NS 1 A 1 MX	🔒 Secure