resen.dk DNS records

🖥️ Nameservers2 records 32ms

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 Records1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2.107.26.100	600s	—	AS3292	TDC Holding A/S	2.104.0.0/14	🇩🇰 Denmark	Gentofte Municipality

📧 MX Records2 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	resen-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::24 2a01:111:f403:ca09::7 2a01:111:f403:ca09::a 52.101.103.137 52.101.68.15 52.101.68.32 52.101.73.153	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.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
10	600s	mail.giversen.net	2a05:f6c7:3645:1::a502 80.210.78.76	mail.giversen.net mail.giversen.net	AS203953 Hiper A/S AS203953 Hiper A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 42ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 111ms

TXT Record
google-site-verification=N7n_6PkaPd9QtBmxGpZs_nT2LH4Rnzy1TEcNZkI-dpg
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (resen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE1 records 352ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.giversen.net	DANE-EE · SPKI · SHA-256	A96EA5E4264CDB61361F947AB0299ED0…

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

32ms

A

28ms

MX

28ms

AAAA

24ms

TXT

111ms

CAA

36ms

HTTPS

23ms

TLSA

352ms

SOA

0ms

MTA-STS

44ms

DNSSEC

103ms

SRV

42ms

Total

1808ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:16:04	1808ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 10:15:03	6137ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-27 01:03:45	1245ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-08 22:56:57	5990ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 07:47:50	1588ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 12:08:21	1046ms	2 NS 1 A 2 MX	🔒 Secure	View