selmergruppen.dk

Records from scan: 2026-10-13 03:05:47 · 1050ms total · last checked 2026-10-18 10:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

selmergruppen.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 16 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.44 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by selmergruppen-dk.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#

4 records 33ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.44	3600s	linux370.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	selmergruppen-dk.mail.protection.outlook.com	2a01:111:f403:ca21::c 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::a 2a01:111:f403:ca48::c 52.101.103.143 52.101.181.153 52.101.209.153 52.101.91.21	mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.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 → 52.98.154.152
🔶 Autoconfig	185.20.205.44

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 123ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:157.250.161.73 ip4:82.192.165.203 -all

✉️ SPF#

Policy	Record (selmergruppen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:157.250.161.73 ip4:82.192.165.203 -all

📨 DMARC#

Policy	Record (_dmarc.selmergruppen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:abuse@selmergruppen.dk; fo=1

📬 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 2026-10-13 03:05:47

www	185.20.205.44 (AS48854) (address records, no CNAME)
www vs bare domain	Same network selmergruppen.dk: 185.20.205.44 (AS48854) www.selmergruppen.dk: 185.20.205.44 (AS48854)
Wildcard	Yes: any name under the zone resolves
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-selmergruppen-dk._domainkey.vestjydsk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-selmergruppen-dk._domainkey.vestjydsk.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.selmergruppen.dk	TdqLJ1c-o11-FTaZHMAv3zADdwgj6iM8pQmA1Tc26_I
TXT	_acme-challenge.selmergruppen.dk	qQPDbbYF2So8OdHQfA4M6b9YIYfIKAoWVMjhXNBdihY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2026101200
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 2026-10-09 00:50:54

Field	Value
Registrar	Simply.com A/S
Registered	2019-09-16
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

25ms

37ms

AAAA

36ms

TXT

123ms

CAA

31ms

HTTPS

26ms

TLSA

674ms

SOA

45ms

MTA-STS

34ms

DNSSEC

57ms

SRV

70ms

Total

1050ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:05:47 shown	1050ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 09:10:17	2263ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 06:42:14	991ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-29 02:05:15	1303ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-05 13:25:46	2974ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-20 09:15:54	3190ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 16:52:38	1345ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:19:05	722ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 17:27:14	1247ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:46:28	1322ms	4 NS 1 A 1 MX	🔒 Secure