a-r-c.dk DNS records

🖥️ Nameservers2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records3 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.241.191.143	60s	ec2-34-241-191-143.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin
34.248.104.12	60s	ec2-34-248-104-12.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin
52.210.208.94	60s	ec2-52-210-208-94.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.208.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cluster4.eu.messagelabs.com	195.245.230.194 195.245.231.77 85.158.142.208	mail852.messagelabs.com mail880.messagelabs.com mail832.messagelabs.com	AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC
20	3600s	cluster4a.eu.messagelabs.com	34.91.159.228	228.159.91.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	webmail.a-r-c.dk → 152.115.45.201

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 61ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	40	0	443	autodiscover.amfor.dk
_sipfederationtls._tcp	10	1	5061	sip.a-r-c.dk

📝 TXT Records7 records 171ms

TXT Record
_1up2lx7iax1buoa37frh5tuq8i7te93
/piN3qBr+/b4FqLh7wS/rdWAuePgLHzPrinNDTxOc0LmnDrA8BocMIptmOEV6eN7fsXqqPw92AIJB7MfPn4Q2g==
81rsyfs7s3j2lsg4kkmwk652w3yp12mh
apple-domain-verification=pQhxjp62OIEmWZGu
mJF2ZYKPdkneaaWExbFxGhf2vDVCn4nBWrBlHYvtIxMKoqx+vFhjrBKH7Rk6OL8CuTuw4XQE6JL8B+Qt/GjIiQ==
MS=FB706DDE579889FFD02005A8F40D43F191BCDBEC
v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:mitcom.dk ip4:152.115.45.201 ip4:152.115.45.196 ip4:13.93.12.214 -all

✉️ SPF

Policy	Record (a-r-c.dk)
-all (hard fail)	v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:mitcom.dk ip4:152.115.45.201 ip4:152.115.45.196 ip4:13.93.12.214 -all

📨 DMARC

Policy	Record (_dmarc.a-r-c.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@a-r-c.dk; ruf=mailto:dmarc@a-r-c.dk; fo=1; pct=100

📬 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)

🔐 DNSSEC77ms

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

🏷️ SOA0ms

Field	Value
Serial	2026031801
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

48ms

A

49ms

MX

49ms

AAAA

42ms

TXT

171ms

CAA

41ms

HTTPS

54ms

TLSA

164ms

SOA

0ms

MTA-STS

69ms

DNSSEC

77ms

SRV

61ms

Total

858ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:59:34	858ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-27 23:18:14	1033ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-25 13:01:25	960ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-21 18:07:00	715ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-16 12:55:44	1389ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-16 12:54:58	1848ms	2 NS 3 A 2 MX	🔒 Secure	View