bookmessengers.dk

Records from scan: 2026-10-12 15:28:38 · 936ms total · last checked 2026-10-18 01:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bookmessengers.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com. The zone is DNSSEC-signed and validates, has no 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#

4 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.110.27 2a00:1450:4001:c21::1a	wf-in-f27.1e100.net lcfrai-in-f26.1e100.net	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#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-12 15:28:38

www CNAME	asymmetrical-cephalopod-hfbz0em5y5wwqd6v8l3slvl0.herokudns.com (all on herokudns.com) → 15.197.253.240 3.33.249.164 52.223.53.203 99.83.185.157 (AS16509)
www vs bare domain	Only www resolves bookmessengers.dk: no address www.bookmessengers.dk: 15.197.253.240 3.33.249.164 52.223.53.203 99.83.185.157 (AS16509) (all like this)
Wildcard	No
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

172ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

61ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

76ms

69ms

80ms

AAAA

80ms

TXT

210ms

CAA

74ms

HTTPS

51ms

TLSA

121ms

SOA

61ms

MTA-STS

114ms

DNSSEC

172ms

SRV

91ms

Total

936ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:28:38 shown	936ms	4 NS 0 A 1 MX	🔒 Secure
2026-10-01 02:48:48	593ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-27 01:46:50	459ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-28 17:14:33	607ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-25 10:07:38	590ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 16:16:06	2629ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 16:08:37	323ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 16:06:39	1277ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-16 16:00:36	468ms	4 NS 0 A 1 MX	🔒 Secure