gunnerdue.dk DNS records

🖥️ Nameservers4 records 31ms

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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.221.253.98	3600s	—	AS42876	Unit IT Services ApS	77.221.224.0/19	🇩🇰 Denmark	Beder

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	gunnerdue-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.15 52.101.68.32 52.101.73.12 52.101.73.16	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 91ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	email.cdk.global

📝 TXT Records2 records 135ms

TXT Record
MS=ms51004858
v=spf1 include:spf.protection.outlook.com include:trustpilotservice.com include:web.shared.mysmtp.com include:carusselgroup.com ip4:109.70.54.173 ip4:185.66.186.0/27 include:sendgrid.net include:spf-westeu.emailsignatures365.com -all

✉️ SPF

Policy	Record (gunnerdue.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:trustpilotservice.com include:web.shared.mysmtp.com include:carusselgroup.com ip4:109.70.54.173 ip4:185.66.186.0/27 include:sendgrid.net include:spf-westeu.emailsignatures365.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 / DANE

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

🔐 DNSSEC85ms

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

🏷️ SOA80ms

Field	Value
Serial	2024101102
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

31ms

A

60ms

MX

29ms

AAAA

116ms

TXT

135ms

CAA

64ms

HTTPS

80ms

TLSA

2434ms

SOA

80ms

MTA-STS

73ms

DNSSEC

85ms

SRV

91ms

Total

3086ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 21:57:34	3086ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 07:23:24	1876ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:06:15	1106ms	4 NS 1 A 1 MX	🔒 Secure	View