book28.dk

Records from scan: 2026-10-05 08:38:59  ·  577ms total  ·  last checked 2026-10-20 08:30 (unchanged)
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book28.dk is a .dk domain served by 4 nameservers (dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net and 1 more). It was registered on 4 October 2026 (WHOIS) and first appeared in the .dk zone on 5 October 2026. Its website address 35.157.26.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. 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#

4 records   56ms
NameserverIP addressesPTRASN / ISP
dns1.p03.nsone.net 198.51.44.3
2620:4d:4000:6259:7:3:0:1		 dns1.p03.nsone.net
dns1.p03.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns2.p03.nsone.net 198.51.45.3
2a00:edc0:6259:7:3::2		 dns2.p03.nsone.net
dns2.p03.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns3.p03.nsone.net 198.51.44.67
2620:4d:4000:6259:7:3:0:3		 dns3.p03.nsone.net
dns3.p03.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns4.p03.nsone.net 198.51.45.67
2a00:edc0:6259:7:3::4		 dns4.p03.nsone.net
dns4.p03.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc

🌍 A Records#

2 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.157.26.135 120s ec2-35-157-26-135.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 35.156.0.0/14 🇩🇪 Germany Frankfurt am Main
63.176.8.218 120s ec2-63-176-8-218.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 63.176.0.0/12 🇩🇪 Germany Frankfurt am Main

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverbook28.netlify.app → 63.176.8.218
🔶 Autoconfigbook28.netlify.app → 35.157.26.135

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   239ms
TXT Record
brevo-code:51f115dd8ab88902705d4dca16604b02

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.book28.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.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 2026-10-09 13:24:38
www35.157.26.135 63.176.8.218 (AS16509) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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.

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.book28.dk book28.netlify.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

57ms
FieldValue
Serial1791130409
Primary NS (MNAME)dns1.p01.nsone.net
Responsible (RNAME)domains+netlify@netlify.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-14 02:43:53
FieldValue
RegistrarSimply.com A/S
Registered2026-10-04
Expires2027-10-03 (348d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
tech28.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
56ms
A
49ms
MX
46ms
AAAA
63ms
TXT
239ms
CAA
48ms
HTTPS
52ms
TLSA
95ms
SOA
57ms
MTA-STS
93ms
DNSSEC
80ms
SRV
105ms
Total
577ms
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