bachbuch.dk

📜 Historical scan 2026-06-16 13:59:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bachbuch.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.108.250 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.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#

4 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.250	—	linux50.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 41ms

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

🔷 AAAA Records (IPv6)#

1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
::ffff:94.231.108.250	—	—	AS48854	team.blue Denmark A/S	0:0:0:0:0:ffff:5ee7:6000/116	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 116ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (bachbuch.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.bachbuch.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#

latest probe, not this scan · checked 2026-10-12 10:17:06

www	94.231.108.250 (AS48854) (address records, no CNAME)
www vs bare domain	Same network bachbuch.dk: 94.231.108.250 ::ffff:94.231.108.250 (AS48854) www.bachbuch.dk: 94.231.108.250 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
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#

2 records 57ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

204ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-01 18:48:37

Field	Value
Registrar	Simply.com A/S
Registered	2003-12-18
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

63ms

57ms

41ms

AAAA

51ms

TXT

116ms

CAA

58ms

HTTPS

76ms

TLSA

57ms

SOA

56ms

MTA-STS

87ms

DNSSEC

204ms

SRV

0ms

Total

721ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 18:36:02	1784ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 18:32:08	845ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 17:36:33	701ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 05:29:17	931ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 00:00:36	817ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 07:28:42	1922ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:08:31	603ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 15:14:12	1273ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:59:22 shown	721ms	4 NS 1 A 1 MX	🔒 Secure