willbrandt.dk

📜 Historical scan 2026-08-27 15:50:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

willbrandt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 July 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.248 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by willbrandt-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 40ms

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 Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.248	3600s	webcluster2.wordpresspod1-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	willbrandt-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca09::5 52.101.103.137 52.101.68.18 52.101.68.25 52.101.73.28	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40
🔶 Autoconfig	77.111.240.248

🔷 AAAA Records (IPv6)#

1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:101:80c4:39db:205:f55e	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 73ms

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

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 mx ip4:5.103.28.5 include:spf.mailanyone.net include:spf.protection.outlook.com include:b.spf.itoperators.dk include:_custspf.one.com include:spf.smtp2go.com -all

✉️ SPF#

Policy	Record (willbrandt.dk)
-all (hard fail)	v=spf1 mx ip4:5.103.28.5 include:spf.mailanyone.net include:spf.protection.outlook.com include:b.spf.itoperators.dk include:_custspf.one.com include:spf.smtp2go.com -all

📨 DMARC#

Policy	Record (_dmarc.willbrandt.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; rua=mailto:rua@addpro.dk; ruf=mailto:ruf@addpro.dk; pct=100; fo=1;

📬 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 2026-10-09 04:43:28

www	77.111.240.248 2a02:2350:5:101:80c4:39db:205:f55e (AS51468) (address records, no CNAME)
www vs bare domain	Same network willbrandt.dk: 77.111.240.248 2a02:2350:5:101:80c4:39db:205:f55e (AS51468) www.willbrandt.dk: 77.111.240.248 2a02:2350:5:101:80c4:39db:205:f55e (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u39329421.wl172.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u39329421.wl172.sendgrid.net	RSA · ~2048 bit
selector1	selector1-willbrandt-dk._domainkey.willbrandt.onmicrosoft.com	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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070904
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 02:54:25

Field	Value
Registrar	ONE.COM A/S
Registered	1999-07-15
Expires	2027-09-30 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

35ms

57ms

AAAA

41ms

TXT

192ms

CAA

61ms

HTTPS

51ms

TLSA

181ms

SOA

0ms

MTA-STS

57ms

DNSSEC

89ms

SRV

73ms

Total

858ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 04:43:28	1077ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 21:03:52	1332ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 15:50:48 shown	858ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 02:33:57	5828ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 10:18:53	1120ms	2 NS 1 A 1 MX	🔒 Secure