itreatair.dk

Records from scan: 2026-10-17 02:36:23 · 959ms total · last checked 2026-10-18 02:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itreatair.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.46 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by itreatair-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.46	3600s	vm1440.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	itreatair-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca38::8 2a01:111:f403:ca38::a 52.101.68.39 52.101.73.120 52.101.91.153 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 56ms

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

📝 TXT Records#

1 records 154ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (itreatair.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.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#

checked 2026-10-17 02:36:23

www	185.21.40.46 (AS48854) (address records, no CNAME)
www vs bare domain	Same network itreatair.dk: 185.21.40.46 (AS48854) www.itreatair.dk: 185.21.40.46 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-itreatair-dk._domainkey.dakkdk.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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2026101601
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 2026-10-16 02:13:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-04
Expires	2027-05-31 (225d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

36ms

31ms

35ms

AAAA

43ms

TXT

154ms

CAA

39ms

HTTPS

54ms

TLSA

582ms

SOA

44ms

MTA-STS

48ms

DNSSEC

62ms

SRV

56ms

Total

959ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 02:36:23 shown	959ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 01:52:39	1437ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 07:52:21	4354ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-07 01:39:12	1494ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 19:59:15	764ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 16:28:33	1512ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 08:15:35	909ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 13:23:10	6454ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 22:20:33	1042ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 09:11:28	701ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:04:06	4229ms	2 NS 1 A 1 MX	🔒 Secure