across.dk

📜 Historical scan 2026-06-27 23:55:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

across.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 77.66.16.17 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by across-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 55ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.66.16.17	3600s	—	AS47292	Sentia Denmark A/S	77.66.16.0/20	🇩🇰 Denmark	Værløse

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	across-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 2a01:111:f403:ca09::d 52.101.68.27 52.101.68.29 52.101.73.15 52.101.73.6	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am6pr04cu00306.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 69ms

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

📝 TXT Records#

2 records 191ms

TXT Record
mscid=fArPvp73Q00UhyqVAJNKCWsbO3k8htoBwkoHNMcutJX/ku88Lb/+jP/zu9CpidLvP9N01/MRwGqtFXv6Rrbosg==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (across.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 15:52:59

www CNAME	cdn.mono.net (all on mono.net) → 185.58.214.100 185.58.214.101 185.58.214.102 185.58.214.103 185.58.214.104 185.58.214.105 (AS201595)
www vs bare domain	Different networks across.dk: 77.66.16.17 (AS47292) www.across.dk: 185.58.214.100 185.58.214.101 185.58.214.102 185.58.214.103 (AS201595) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

55ms

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#

55ms

56ms

AAAA

57ms

TXT

191ms

CAA

55ms

HTTPS

54ms

TLSA

168ms

SOA

55ms

MTA-STS

67ms

DNSSEC

76ms

SRV

69ms

Total

952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 07:52:42	3026ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-20 17:01:33	1503ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-11 03:07:51	966ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 23:55:33 shown	952ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:49:51	1626ms	4 NS 1 A 1 MX	🔓 Insecure