alusign.dk DNS records

🖥️ Nameservers2 records 47ms

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 Records1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.135	3600s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alusign-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	46.30.215.135

🔷 AAAA Records (IPv6)1 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:3c:eb90:135f:6f15	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 Records1 records 61ms

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

📝 TXT Records3 records 183ms

TXT Record
MS=ms26663324
v=spf1 include:_custspf.one.com -all
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (alusign.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com -all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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

🔗 TLSA / DANE

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

🔐 DNSSEC61ms

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

🏷️ SOA32ms

Field	Value
Serial	2026061905
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-06-20 15:50:47

Field	Value
Registrar	ONE.COM A/S
Registered	1997-12-10
Expires	2026-12-31 (118d)

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

35ms

MX

49ms

AAAA

40ms

TXT

183ms

CAA

53ms

HTTPS

48ms

TLSA

206ms

SOA

32ms

MTA-STS

61ms

DNSSEC

61ms

SRV

61ms

Total

742ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:16:05	3046ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 19:03:52	3005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:04:21	742ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:12:52	1594ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:07:03	717ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 01:20:46	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:17:15	1067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 15:48:57	1057ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:24:25	661ms	2 NS 1 A 1 MX	🔒 Secure	View