gunnerdue.dk

📜 Historical scan 2026-06-25 21:57:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gunnerdue.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 14 August 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.221.253.98 is hosted by Unit IT Services ApS (AS42876) in Denmark. Mail is handled by gunnerdue-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 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 Records#

1 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 Records#

1 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 Records#

1 records 91ms

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

📝 TXT Records#

2 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 20:29:47

www	77.221.253.98 (AS42876) (address records, no CNAME)
www vs bare domain	Same network gunnerdue.dk: 77.221.253.98 (AS42876) www.gunnerdue.dk: 77.221.253.98 (AS42876)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u10389859.wl110.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u10389859.wl110.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 12/10 · policy: -all

error 12 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms

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

🏷️ SOA#

80ms

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#

WHOIS fetched 2026-10-14 04:32:20

Field	Value
Registrar	Simply.com A/S
Registered	1997-08-14
Expires	2027-09-30 (347d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
gunnerduebiler.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

31ms

60ms

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
2026-10-12 20:29:46	1988ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 07:08:33	959ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 15:02:01	3494ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:57:34 shown	3086ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 07:23:24	1876ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:06:15	1106ms	4 NS 1 A 1 MX	🔒 Secure