kte-byg.dk

📜 Historical scan 2026-08-04 04:25:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kte-byg.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, tom.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ktebyg-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tom.ns.cloudflare.com	108.162.193.147 172.64.33.147 173.245.59.147 2606:4700:58::adf5:3b93 2803:f800:50::6ca2:c193 2a06:98c1:50::ac40:2193	tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.ns.cloudflare.com tom.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
104.21.54.189	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.70	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ktebyg-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.10 52.101.68.25 52.101.68.29 52.101.73.19	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.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 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8d46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:36bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 61ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.189,172.67.141.70 ech=AEX+DQBBawAgACBoUVKVjjLK5/bFmFpvfOPJOMaF34zKXqGRi3SL/8GpbgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d46,2606:4700:3033::6815:36bd

📝 TXT Records#

2 records 242ms

TXT Record
MS=ms61813998
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

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

📬 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 2026-10-14 04:02:56

www	104.21.54.189 172.67.141.70 2606:4700:3030::ac43:8d46 2606:4700:3033::6815:36bd (AS13335) (address records, no CNAME)
www vs bare domain	Same network kte-byg.dk: 104.21.54.189 172.67.141.70 2606:4700:3030::ac43:8d46 2606:4700:3033::6815:36bd (AS13335) www.kte-byg.dk: 104.21.54.189 172.67.141.70 2606:4700:3030::ac43:8d46 2606:4700:3033::6815:36bd (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

145ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411178250
Primary NS (MNAME)	ada.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#

45ms

58ms

44ms

AAAA

44ms

TXT

242ms

CAA

45ms

HTTPS

61ms

TLSA

190ms

SOA

0ms

MTA-STS

123ms

DNSSEC

145ms

SRV

8057ms

Total

9232ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 04:02:56	1121ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 11:36:21	1918ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 22:26:23	1889ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 20:45:00	1444ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-12 18:19:40	1937ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 14:41:34	1742ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-04 04:25:11 shown	9232ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-22 23:32:34	1407ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-17 09:24:29	1877ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-10 03:33:29	1303ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 14:05:30	1353ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 17:02:58	1034ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 22:17:10	1462ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 18:56:42	1059ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 01:37:52	2980ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 02:57:38	1120ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 02:52:55	990ms	2 NS 2 A 1 MX	🔒 Secure