terrabit.dk

📜 Historical scan 2026-06-22 21:46:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

terrabit.dk is a .dk domain served by 2 nameservers (irma.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 14 December 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.149 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by terrabit-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, has no 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
irma.ns.cloudflare.com	108.162.192.166 172.64.32.166 173.245.58.166 2606:4700:50::adf5:3aa6 2803:f800:50::6ca2:c0a6 2a06:98c1:50::ac40:20a6	irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com irma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noel.ns.cloudflare.com	108.162.193.216 172.64.33.216 173.245.59.216 2606:4700:58::adf5:3bd8 2803:f800:50::6ca2:c1d8 2a06:98c1:50::ac40:21d8	noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.149	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.45	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	terrabit-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5495	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:c22d	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.149,172.67.194.45 ech=AEX+DQBB+QAgACCLWpSvAIFyohc3OUz6IkX2zLjZvgwV5XirYBFdcay/AQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5495,2606:4700:3036::ac43:c22d

📝 TXT Records#

3 records 177ms

TXT Record
MS=ms26565416
MS=ms50029033
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (terrabit.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 2026-10-08 22:26:09

www	45.95.53.145 (AS200303) (address records, no CNAME)
www vs bare domain	Different networks terrabit.dk: 104.21.84.149 172.67.194.45 2606:4700:3035::ac43:c22d 2606:4700:3037::6815:5495 (AS13335) www.terrabit.dk: 45.95.53.145 (AS200303) (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-terrabit-dk._domainkey.friedrichholding.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-terrabit-dk._domainkey.friedrichholding.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'terrabit.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

37ms

Field	Value
Serial	2406329504
Primary NS (MNAME)	irma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 21:51:12

Field	Value
Registrar	INWX GmbH
Registered	2021-12-14
Expires	2026-12-13 (54d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

58ms

40ms

AAAA

32ms

TXT

177ms

CAA

49ms

HTTPS

44ms

TLSA

581ms

SOA

37ms

MTA-STS

60ms

DNSSEC

77ms

SRV

206ms

Total

1356ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 21:38:18	2980ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 21:11:58	1940ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 20:06:57	701ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 20:12:10	1464ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 18:40:25	1406ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 22:41:52	4425ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-02 19:46:36	994ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 09:28:52	2584ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 03:22:17	10204ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 13:49:57	2388ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 21:46:39 shown	1356ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-17 12:14:12	2711ms	2 NS 2 A 1 MX	🔓 Insecure