byg-erfa.dk

Records from scan: 2026-10-09 10:35:43 · 1399ms total · last checked 2026-10-17 01:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byg-erfa.dk is a .dk domain served by 2 nameservers (june.ns.cloudflare.com, yevgen.ns.cloudflare.com). It was registered on 4 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.223.250.75 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
june.ns.cloudflare.com	108.162.192.176 172.64.32.176 173.245.58.176 2606:4700:50::adf5:3ab0 2803:f800:50::6ca2:c0b0 2a06:98c1:50::ac40:20b0	june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yevgen.ns.cloudflare.com	108.162.195.223 162.159.44.223 172.64.35.223 2606:4700:58::a29f:2cdf 2803:f800:50::6ca2:c3df 2a06:98c1:50::ac40:23df	yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com yevgen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.223.250.75	300s	—	AS48854	team.blue Denmark A/S	193.223.248.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 64.233.163.27	lf-in-x1a.1e100.net lf-in-f26.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 166ms

TXT Record
v=spf1 include:_spf.google.com include:servers.mcsv.net mx a ip4:193.162.142.125 ip4:91.223.235.24 ip4:46.30.124.215 ip4:91.98.163.241 ~all

✉️ SPF#

Policy	Record (byg-erfa.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:servers.mcsv.net mx a ip4:193.162.142.125 ip4:91.223.235.24 ip4:46.30.124.215 ip4:91.98.163.241 ~all

📨 DMARC#

Policy	Record (_dmarc.byg-erfa.dk)
p=quarantine	v=DMARC1; p=quarantine; fo=0; rua=mailto:info@byg-erfa.dk

📬 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 2026-10-09 10:35:43

www	193.223.250.75 (AS48854) (address records, no CNAME)
www vs bare domain	Same network byg-erfa.dk: 193.223.250.75 (AS48854) www.byg-erfa.dk: 193.223.250.75 (AS48854)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

63ms

Field	Value
Serial	2415579294
Primary NS (MNAME)	june.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 05:13:28

Field	Value
Registrar	ONE.COM A/S
Registered	1998-03-04
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

26ms

44ms

AAAA

35ms

TXT

166ms

CAA

36ms

HTTPS

51ms

TLSA

86ms

SOA

63ms

MTA-STS

57ms

DNSSEC

107ms

SRV

64ms

Total

1399ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:35:43 shown	1399ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 03:00:05	3936ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-05 04:49:59	3011ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-24 14:10:58	3007ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-22 07:05:49	1418ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-21 06:46:19	11222ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-20 04:34:46	2470ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-16 14:33:12	7204ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-15 14:52:42	4686ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-24 07:56:43	9848ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-01 12:14:48	903ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-01 07:27:09	1126ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-25 22:25:54	996ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-25 07:53:54	3534ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-18 13:49:43	3128ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-16 18:10:23	620ms	2 NS 1 A 5 MX	🔓 Insecure