bal-byg.dk

📜 Historical scan 2026-08-15 08:12:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bal-byg.dk is a .dk domain served by 2 nameservers (graham.ns.cloudflare.com, jacqueline.ns.cloudflare.com). It was registered on 23 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.254 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by balbyg-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 211ms

Nameserver	IP addresses	PTR	ASN / ISP
graham.ns.cloudflare.com	108.162.193.171 172.64.33.171 173.245.59.171 2606:4700:58::adf5:3bab 2803:f800:50::6ca2:c1ab 2a06:98c1:50::ac40:21ab	graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com graham.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jacqueline.ns.cloudflare.com	108.162.194.132 162.159.38.132 172.64.34.132 2606:4700:50::a29f:2684 2803:f800:50::6ca2:c284 2a06:98c1:50::ac40:2284	jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.ns.cloudflare.com jacqueline.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 234ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.254	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.177	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 222ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	balbyg-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 52.101.68.15 52.101.68.18 52.101.73.15 52.101.73.26	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 216ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ddb1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:2dfe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 234ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.254,172.67.221.177 ech=AEX+DQBBeAAgACA0n/mWsJfgL+7y330oGSseMxYBiBTdWzyiro7rFFp+VgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ddb1,2606:4700:3034::6815:2dfe

🔌 SRV Records#

1 records 285ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 472ms

TXT Record
google-site-verification=gfCcVr-rZ-RtfYLKx9nViroZc6G4B7IU1bZBtBcZT9Y
MS=ms70128719
MS=ms78186107
v=spf1 a mx include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (bal-byg.dk)
~all (soft fail)	v=spf1 a mx 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 2026-10-14 05:30:54

www	104.21.45.254 172.67.221.177 2606:4700:3033::ac43:ddb1 2606:4700:3034::6815:2dfe (AS13335) (address records, no CNAME)
www vs bare domain	Same network bal-byg.dk: 104.21.45.254 172.67.221.177 2606:4700:3033::ac43:ddb1 2606:4700:3034::6815:2dfe (AS13335) www.bal-byg.dk: 104.21.45.254 172.67.221.177 2606:4700:3033::ac43:ddb1 2606:4700:3034::6815:2dfe (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-balbyg-dk0i._domainkey.balbyg.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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

395ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412251093
Primary NS (MNAME)	graham.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 04:04:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-11-23
Expires	2026-12-31 (71d)

🔗 Same registrant#

7 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
agnetehaven.dk	Punktum dk A/S (direct)
dgmail.dk	Punktum dk A/S (direct)
exceldesign.dk	Punktum dk A/S (direct)
greenvent.dk	Punktum dk A/S (direct)
happyfuture.dk	Punktum dk A/S (direct)
hhpl.dk	Punktum dk A/S (direct)
llcbyg.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

211ms

234ms

222ms

AAAA

216ms

TXT

472ms

CAA

214ms

HTTPS

234ms

TLSA

493ms

SOA

0ms

MTA-STS

301ms

DNSSEC

395ms

SRV

285ms

Total

4686ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 05:30:54	2308ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 22:37:28	2126ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 08:48:45	1096ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 23:36:22	1110ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 14:37:50	2267ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 12:28:34	1638ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 13:11:36	3375ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-15 08:12:51 shown	4686ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 09:37:56	6012ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-01 12:01:16	1461ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 17:34:56	18057ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 04:27:06	1639ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-13 22:55:04	2689ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 01:59:42	4870ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 11:24:11	2008ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 18:55:17	1498ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 09:35:46	1152ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 21:32:58	1067ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:29:23	1098ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 14:03:19	3057ms	2 NS 2 A 1 MX	🔒 Secure