a-os.dk

Records from scan: 2026-10-06 11:39:10  ·  1126ms total  ·  last checked 2026-10-17 18:43 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-os.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 11 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.116.200.28 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by aos-dk0c.mail.protection.outlook.com. 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   30ms

🌍 A Records#

1 records   26ms

📧 MX Records#

1 records   31ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   67ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

11 records   122ms
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#

PolicyRecord (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#

PolicyRecord (_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

🧩 Web & zone#

checked 2026-10-09 21:16:06
www62.116.200.28 (AS31027) (address records, no CNAME)
www vs bare domainSame network
a-os.dk: 62.116.200.28 (AS31027)
www.a-os.dk: 62.116.200.28 (AS31027)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 2048 bit
s1 s1.domainkey.u43330749.wl250.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u43330749.wl250.sendgrid.net RSA · ~2048 bit
selector2 selector2-aos-dk0c._domainkey.aonesolutions.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

54ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

28ms
FieldValue
Serial2026100601
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 05:02:27
FieldValue
RegistrarA/S SCANNET
Registered2007-01-11
Expires2036-01-31 (3392d)

🔗 Same registrant#

24 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
26ms
MX
31ms
AAAA
31ms
TXT
122ms
CAA
42ms
HTTPS
42ms
TLSA
739ms
SOA
28ms
MTA-STS
42ms
DNSSEC
54ms
SRV
67ms
Total
1126ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-06 11:39:10 shown 1126ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-02 10:37:23 2084ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-27 09:45:14 806ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-25 14:25:33 1493ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 13:54:29 1540ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-12 06:13:55 1548ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-25 20:13:20 2279ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-23 19:00:31 1498ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 20:03:21 1373ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-24 05:43:21 931ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 01:56:07 672ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-20 04:14:44 957ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 13:31:22 1526ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-16 13:15:08 1139ms 2 NS 1 A 1 MX 🔒 Secure
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