rcgroup.dk DNS records

🖥️ Nameservers4 records 181ms

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 Records1 records 181ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 181ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	rcgroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.10 52.101.68.25 52.101.68.29 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.99.150.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 475ms

TXT Record
v=spf1 ip4:216.55.99.120 ip4:62.242.162.229 include:spf.protection.outlook.com include:mail.zendesk.com -all

✉️ SPF

Policy	Record (rcgroup.dk)
-all (hard fail)	v=spf1 ip4:216.55.99.120 ip4:62.242.162.229 include:spf.protection.outlook.com include:mail.zendesk.com -all

📨 DMARC

Policy	Record (_dmarc.rcgroup.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:qmrtauis@ag.dmarcian.com; ruf=mailto:qmrtauis@fr.dmarcian.com;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC333ms

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

🏷️ SOA180ms

Field	Value
Serial	2024110503
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

181ms

A

181ms

MX

181ms

AAAA

181ms

TXT

475ms

CAA

180ms

HTTPS

180ms

TLSA

491ms

SOA

180ms

MTA-STS

32ms

DNSSEC

333ms

SRV

278ms

Total

1443ms