flarsen.dk DNS records

🖥️ Nameservers4 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns1.dotserv.net	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records1 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.93	3600s	v0006.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	flarsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca09::20 52.101.68.8 52.101.73.123 52.101.73.15 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.8
🔶 Autoconfig	178.20.217.93

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 106ms

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

📝 TXT Records2 records 281ms

TXT Record
MS=ms25631306
v=spf1 include:spf.protection.outlook.com include:spf.antispamcloud.com include:_spf.dotserv.com -all

✉️ SPF

Policy	Record (flarsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.antispamcloud.com include:_spf.dotserv.com -all

📨 DMARC

Policy	Record (_dmarc.flarsen.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rua=mailto:abuse@flarsen.dk; ruf=mailto:abuse@flarsen.dk; fo=0; pct=100; ri=86400

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 69ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC117ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2021070508
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

68ms

MX

83ms

AAAA

89ms

TXT

281ms

CAA

69ms

HTTPS

58ms

TLSA

192ms

SOA

0ms

MTA-STS

67ms

DNSSEC

117ms

SRV

106ms

Total

1208ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:08:03	1208ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 14:39:34	1870ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 09:45:51	2734ms	4 NS 1 A 1 MX	🔓 Insecure	View