flexsus.dk

📜 Historical scan 2026-09-26 06:47:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

flexsus.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.114.161.229 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by flexsus-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

4 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.114.161.229	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇺🇸 United States	Boydton

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	flexsus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::26 2a01:111:f403:ca21::c 2a01:111:f403:ca48::10 52.101.209.153 52.101.68.21 52.101.68.27 52.101.91.153	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00101.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 79ms

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

📝 TXT Records#

3 records 192ms

TXT Record
_ikore8yryonwkz9w08h1li1lu7xr6pg
mscid=Lu9XpVvqfMVV2farle2AxPy5SMbVsZ4BSmvoJwwjXpjhV2rv7q8pg+P3bQ5DszuNLwpitzSNnxV/ox+g2NBlqA==
v=spf1 ip4:13.94.116.5 include:spf.protection.outlook.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (flexsus.dk)
-all (hard fail)	v=spf1 ip4:13.94.116.5 include:spf.protection.outlook.com include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.flexsus.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; pct=100;

📬 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 2026-10-08 00:47:12

www CNAME	proud-bush-0887c9403.3.azurestaticapps.net (all on azurestaticapps.net) → 20.101.2.157 (AS8075)
www vs bare domain	Same network flexsus.dk: 20.114.161.229 (AS8075) www.flexsus.dk: 20.101.2.157 (AS8075)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-flexsus-dk._domainkey.flexsus.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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2064ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

39ms

51ms

49ms

AAAA

49ms

TXT

192ms

CAA

37ms

HTTPS

48ms

TLSA

749ms

SOA

0ms

MTA-STS

59ms

DNSSEC

2064ms

SRV

79ms

Total

3392ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:08:03	815ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-26 06:47:41 shown	3392ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 23:18:56	1216ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-19 22:28:52	1458ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:15:29	3515ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-17 10:07:55	1534ms	4 NS 1 A 1 MX	🔓 Insecure