airmaster.dk

📜 Historical scan 2026-09-03 18:36:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

airmaster.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 December 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.215.86.156 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by airmaster-dk.t-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a 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#

2 records 32ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.215.86.156	600s	—	AS3292	TDC Holding A/S	195.215.0.0/16	🇩🇰 Denmark	Brøndby Strand

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	airmaster-dk.t-v1.mx.microsoft	2a01:111:f403:c967::a 2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 52.101.181.153 52.101.181.156 52.101.68.0 52.101.68.27	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 279ms

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

📝 TXT Records#

8 records 116ms

TXT Record
_globalsign-domain-verification=9N_RSLGiu4lG7y8OVWwhqt55_QUv01owvJQ5Yd0ac7
_globalsign-domain-verification=mf38g6pg2v1bwZB2t2fXH4JuoYHEtD-lY4NGDB__0w
_globalsign-domain-verification=wV25mgAvaKqULzOQ80-VxG0XcEWkWp67hICcqAY1ek
apple-domain-verification=USQ3dYfmYfbQAFLH
google-site-verification=nOqtrsNYMA3MgqDYs25b3Uc7v0ZDSokWeA6XyqVGYXQ
mandrill_verify.kWTNH_qoROSYhTNjMOBacQ
MS=ms57235145
v=spf1 mx a include:spf.protection.outlook.com include:5503998.spf08.hubspotemail.net include:spf.jcdhotel.dk ip4:81.95.242.131 ip4:216.55.99.120 ip4:52.166.141.239 ip4:13.73.181.118 include:spf.mandrillapp.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (airmaster.dk)
-all (hard fail)	v=spf1 mx a include:spf.protection.outlook.com include:5503998.spf08.hubspotemail.net include:spf.jcdhotel.dk ip4:81.95.242.131 ip4:216.55.99.120 ip4:52.166.141.239 ip4:13.73.181.118 include:spf.mandrillapp.com include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.airmaster.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email;

📬 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 01:44:46

www	195.215.86.156 (AS3292) (address records, no CNAME)
www vs bare domain	Same network airmaster.dk: 195.215.86.156 (AS3292) www.airmaster.dk: 195.215.86.156 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u52686095.wl096.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u52686095.wl096.sendgrid.net	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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

4 records 266ms

Service / Owner	Type	Cert association
SMTP _25._tcp.airmaster-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.airmaster-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.airmaster-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.airmaster-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC#

93ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090101
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 2026-10-23 09:53:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-12-17
Expires	2026-12-31 (67d)

🔗 Same registrant#

3 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
amcalc.dk	ONE.COM A/S
boomerain.dk	Punktum dk A/S (direct)
decentralventilation.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

25ms

32ms

AAAA

274ms

TXT

116ms

CAA

27ms

HTTPS

28ms

TLSA

266ms

SOA

0ms

MTA-STS

36ms

DNSSEC

93ms

SRV

279ms

Total

950ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:38:00	660ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:23:15	613ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 13:06:16	2715ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 14:46:34	1355ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 18:36:24 shown	950ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 12:05:18	694ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:14:00	701ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 16:01:21	5374ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 15:54:11	9277ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 17:04:20	1159ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 12:29:09	750ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:48:36	918ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 05:32:11	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:38:43	894ms	2 NS 1 A 1 MX	🔒 Secure