byensmusikskole.dk

Records from scan: 2026-10-19 15:24:12 · 1606ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byensmusikskole.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, duke.ns.cloudflare.com). It was registered on 14 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.95.78 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.simply.com. 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 134ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.63.95.78	300s	87-63-95-78-static.dk.customer.tdc.net	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 154ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.103.108 94.231.106.20	mx.simply.com mx.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	87.63.95.78
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 193ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

4 records 361ms

TXT Record
facebook-domain-verification=v5kt4tu82ahn4fk57hc281ja8g7dkj
google-site-verification=nBDWgolH4EP0Pp6KpKSeOJaZuea5YR9BKLuNKd9WZHg
google-site-verification=xbAdsFrrVPa6xHPpOEOHcox9zIZkuOyBwAxxfeE3UpQ
v=spf1 include:spf.simply.com include:flat.dedicated.mysmtp.com -all

✉️ SPF#

Policy	Record (byensmusikskole.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:flat.dedicated.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.byensmusikskole.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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#

checked 2026-10-19 15:24:13

www	87.63.95.78 (AS3292) (address records, no CNAME)
www vs bare domain	Same network byensmusikskole.dk: 87.63.95.78 (AS3292) www.byensmusikskole.dk: 87.63.95.78 (AS3292)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u22790233.wl234.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u22790233.wl234.sendgrid.net	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 331ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

258ms

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

🏷️ SOA#

81ms

Field	Value
Serial	2417878931
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 22:16:46

Field	Value
Registrar	Simply.com A/S
Registered	2021-07-14
Expires	2027-07-31 (283d)

🔗 Same registrant#

2 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
musicgym.dk	Simply.com A/S
musiklærerne.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

134ms

56ms

154ms

AAAA

150ms

TXT

361ms

CAA

95ms

HTTPS

149ms

TLSA

331ms

SOA

81ms

MTA-STS

193ms

DNSSEC

258ms

SRV

193ms

Total

1606ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 15:24:12 shown	1606ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-17 12:39:26	422ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-16 12:36:18	751ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-14 06:29:54	362ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-12 21:54:15	1228ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-10 15:48:18	3738ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 13:08:19	1582ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 10:50:23	378ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-06 09:56:45	407ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-04 08:55:18	1523ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 08:52:46	715ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 08:50:09	797ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 08:45:20	594ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 15:29:48	1368ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 14:45:45	656ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 14:20:25	621ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-21 09:47:22	975ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-18 09:38:27	9508ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-12 16:09:11	755ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-05 22:08:01	1045ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-30 20:43:02	1075ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-02 09:48:53	868ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 21:14:40	1348ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 16:41:55	654ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 03:59:48	972ms	0 NS 0 A 0 MX	❓ Unknown