a-os.dk DNS records

🖥️ Nameservers2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 78ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.116.200.28	600s	—	AS31027	GlobalConnect A/S	62.116.192.0/19	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 106ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	aos-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 2a01:111:f403:ca48::8 52.101.68.15 52.101.68.18 52.101.73.153 52.101.73.4	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 198ms

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

📝 TXT Records11 records 253ms

TXT Record
_dhony8stoqn3jsf0mjspd5otpeq2rzc
_f6w13nqewov57l6qacwt3roz9op78cs
_fod9al5hmt06mstnj96n7d3u3kmhbgu
3065cn93tpybjjl9sfxj1k2yv5r1crqh
anthropic-domain-verification-tn0fsm=h0i76jm31RRvBJ1eW4jWLa3b7
bw=PuXRyuePhno9XB9odRO9V8Wl3w8X0HpEL6ny6XcMYPdh
google-site-verification=D8FRGyaAHZcDT7Moix3JFaHMTUwWlqVtYNqd45L8N1o
linkedin-site-verification=a03ac544-b599-4946-a533-71d16ebfcc2c
t5r8kfl6h31cymsv4xsvwn6c9vwrv8yr
v=spf1 ip4:91.201.28.41 ip4:91.201.28.42 ip4:91.201.28.43 ip4:91.201.28.45 ip4:91.201.28.46 ip4:91.201.28.47 ip4:91.201.28.51 ip4:91.201.28.52 ip4:91.201.28.53 ip4:91.201.28.54 ip4:91.201.28.55 ip4:91.201.28.56 a:smtp01.a-os.dk include:mailoutspf.cygrids.net include:spf.protection.outlook.com -all
xd129mc7qr81sp074jx5f411070lmdsc

✉️ SPF

Policy	Record (a-os.dk)
-all (hard fail)	v=spf1 ip4:91.201.28.41 ip4:91.201.28.42 ip4:91.201.28.43 ip4:91.201.28.45 ip4:91.201.28.46 ip4:91.201.28.47 ip4:91.201.28.51 ip4:91.201.28.52 ip4:91.201.28.53 ip4:91.201.28.54 ip4:91.201.28.55 ip4:91.201.28.56 a:smtp01.a-os.dk include:mailoutspf.cygrids.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.a-os.dk)
p=quarantine	v=DMARC1;p=quarantine;pct=100;rua=mailto:webmaster@a-os.dk;ruf=mailto:webmaster@a-os.dk;sp=reject;ri=84600

📬 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)

🔐 DNSSEC183ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082503
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

88ms

A

78ms

MX

106ms

AAAA

85ms

TXT

253ms

CAA

83ms

HTTPS

77ms

TLSA

1063ms

SOA

0ms

MTA-STS

123ms

DNSSEC

183ms

SRV

198ms

Total

2279ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 20:13:20	2279ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 19:00:31	1498ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:03:21	1373ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 05:43:21	931ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 01:56:07	672ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:14:44	957ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 13:31:22	1526ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:15:08	1139ms	2 NS 1 A 1 MX	🔒 Secure	View