simplex-group.dk

📜 Historical scan 2026-09-17 18:10:40 · ← 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 51ms

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 39ms

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 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simplexgroup-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca48::8 52.101.103.140 52.101.181.153 52.101.68.25 52.101.91.21	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 89ms

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

📝 TXT Records#

2 records 162ms

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#

146ms

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

🏷️ SOA#

0ms

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#

51ms

39ms

42ms

AAAA

57ms

TXT

162ms

CAA

54ms

HTTPS

61ms

TLSA

1193ms

SOA

0ms

MTA-STS

79ms

DNSSEC

146ms

SRV

89ms

Total

1990ms

🕐 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	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 shown	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