simplex-group.dk

Records from scan: 2026-10-16 10:49:28 · 990ms total

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 127ms

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 127ms

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 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	simplexgroup-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::6 52.101.103.140 52.101.103.162 52.101.68.15 52.101.91.159	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 187ms

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

📝 TXT Records#

2 records 278ms

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#

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#

202ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2026101501
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#

127ms

92ms

AAAA

124ms

TXT

278ms

CAA

104ms

HTTPS

128ms

TLSA

182ms

SOA

86ms

MTA-STS

138ms

DNSSEC

202ms

SRV

187ms

Total

990ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 10:49:28 shown	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	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