tasso.dk

Records from scan: 2026-06-20 05:35:03 · 3305ms total · last checked 2026-10-17 11:18 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tasso.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 199.60.103.115 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by tasso-dk.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#

4 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-03.azure-dns.com	13.107.236.3 2603:1061:0:700::3	ns1-03.azure-dns.com ns1-03.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-03.azure-dns.net	150.171.21.3 2620:1ec:8ec:700::3	ns2-03.azure-dns.net ns2-03.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-03.azure-dns.org	204.14.183.3 2a01:111:4000:700::3	ns3-03.azure-dns.org ns3-03.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-03.azure-dns.info	208.84.5.3 2620:1ec:bda:700::3	ns4-03.azure-dns.info ns4-03.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
199.60.103.115	3600s	—	AS209242	Cloudflare London, LLC	199.60.103.0/24	🇺🇸 United States	—
199.60.103.15	3600s	—	AS209242	Cloudflare London, LLC	199.60.103.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	tasso-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.73.11 52.101.73.19 52.101.73.6 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 223ms

TXT Record
MS=ms19307666
v=spf1 include:spf.birn.dk -all

✉️ SPF#

Policy	Record (tasso.dk)
-all (hard fail)	v=spf1 include:spf.birn.dk -all

📨 DMARC#

Policy	Record (_dmarc.tasso.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:61137eef1cf91@dmarc.centerasecurity.com; aspf=s; adkim=s;

📬 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 2026-10-07 23:00:44

www CNAME	25492914.group0.sites.hscoscdn-eu1.net (all on hscoscdn-eu1.net) → 199.60.103.2 199.60.103.254 2606:2c40::c73c:6702 2606:2c40::c73c:67fe (AS209242)
www vs bare domain	Same network tasso.dk: 199.60.103.115 199.60.103.15 (AS209242) www.tasso.dk: 199.60.103.2 199.60.103.254 2606:2c40::c73c:6702 2606:2c40::c73c:67fe (AS209242)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-tasso-dk._domainkey.birn.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-tasso-dk._domainkey.birn.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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

95ms

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

🏷️ SOA#

57ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-03.azure-dns.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#

67ms

51ms

AAAA

66ms

TXT

223ms

CAA

61ms

HTTPS

67ms

TLSA

2676ms

SOA

57ms

MTA-STS

76ms

DNSSEC

95ms

SRV

92ms

Total

3305ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-20 05:35:03 shown	3305ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-19 08:12:29	909ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-18 04:27:50	958ms	4 NS 2 A 1 MX	🔒 Secure
2026-06-18 04:10:28	1945ms	4 NS 2 A 1 MX	🔒 Secure