office365-notifications.dk

Records from scan: 2026-09-28 01:08:34 · 678ms total · last checked 2026-10-18 01:23 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

office365-notifications.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 August 2026 (WHOIS) and first appeared in the .dk zone on 22 August 2026. Its website address 173.249.20.120 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mx.office365-notifications.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 50ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
173.249.20.120	600s	vmi1512488.contaboserver.net	AS51167	Contabo GmbH	173.249.0.0/18	🇫🇷 France	Lauterbourg

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.office365-notifications.dk	173.249.20.120	vmi1512488.contaboserver.net	AS51167 Contabo GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	173.249.20.120
🔶 Autoconfig	173.249.20.120

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 172ms

TXT Record
v=spf1 a mx ip4:173.249.20.120 ~all

✉️ SPF#

Policy	Record (office365-notifications.dk)
~all (soft fail)	v=spf1 a mx ip4:173.249.20.120 ~all

📨 DMARC#

Policy	Record (_dmarc.office365-notifications.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@office365-notifications.dk

📬 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#

checked 2026-10-11 13:11:54

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks office365-notifications.dk: 173.249.20.120 (AS51167) www.office365-notifications.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092701
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 2026-10-15 12:40:50

Field	Value
Registrar	ONE.COM A/S
Registered	2026-08-21
Expires	2027-08-20 (306d)

🔗 Same registrant#

2 domains

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
1tk.dk	ONE.COM A/S
office-ltk.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

50ms

47ms

41ms

AAAA

52ms

TXT

172ms

CAA

39ms

HTTPS

47ms

TLSA

104ms

SOA

0ms

MTA-STS

71ms

DNSSEC

120ms

SRV

64ms

Total

678ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 01:08:34 shown	678ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:27:01	665ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 09:04:38	749ms	2 NS 1 A 1 MX	🔒 Secure