tycho.dk

📜 Historical scan 2026-06-25 09:49:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tycho.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, melissa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tycho-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
johnny.ns.cloudflare.com	108.162.195.186 162.159.44.186 172.64.35.186 2606:4700:58::a29f:2cba 2803:f800:50::6ca2:c3ba 2a06:98c1:50::ac40:23ba	johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melissa.ns.cloudflare.com	108.162.192.199 172.64.32.199 173.245.58.199 2606:4700:50::adf5:3ac7 2803:f800:50::6ca2:c0c7 2a06:98c1:50::ac40:20c7	melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com melissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—
162.159.135.42	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	tycho-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::8 52.101.68.10 52.101.68.16 52.101.68.3 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr05cu00300.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)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::a29f:862a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:7::a29f:872a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 144ms

TXT Record
MS=ms85642547
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF#

Policy	Record (tycho.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC#

Policy	Record (_dmarc.tycho.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:s4np1m3y@ag.dmarcian-eu.com;

📬 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 08:02:36

www CNAME	planetarium.hosting.kinsta.cloud (all on kinsta.cloud) → 162.159.134.42 162.159.135.42 2606:4700:7::a29f:862a 2606:4700:7::a29f:872a (AS13335)
www vs bare domain	Same network tycho.dk: 162.159.134.42 162.159.135.42 2606:4700:7::a29f:862a 2606:4700:7::a29f:872a (AS13335) www.tycho.dk: 162.159.134.42 162.159.135.42 2606:4700:7::a29f:862a 2606:4700:7::a29f:872a (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-tycho-dk._domainkey.tychobraheplanetarium.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2405500364
Primary NS (MNAME)	johnny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

53ms

51ms

42ms

AAAA

53ms

TXT

144ms

CAA

39ms

HTTPS

40ms

TLSA

723ms

SOA

41ms

MTA-STS

47ms

DNSSEC

105ms

SRV

60ms

Total

1487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 19:42:28	978ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 16:21:58	728ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 22:51:27	1118ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 22:28:21	9838ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 12:48:33	1726ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 12:33:49	2867ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 02:16:03	10448ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-03 06:33:04	1806ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 07:40:44	1298ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 18:07:20	2575ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 10:59:10	1336ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 09:49:49 shown	1487ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 04:36:57	1150ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:09:47	3211ms	2 NS 2 A 1 MX	🔓 Insecure