rdalgaard.dk

Records from scan: 2026-10-13 10:29:14 · 1737ms total · last checked 2026-10-23 19:51 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rdalgaard.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 7 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 136ms

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#

5 records 128ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.179.20.26 2404:6800:4000:1027::1a	ncboms-in-f26.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 481ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (rdalgaard.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.rdalgaard.dk)
p=reject	v=DMARC1; p=reject;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 118ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

checked 2026-10-13 10:29:15

www	NXDOMAIN
www vs bare domain	Neither resolves rdalgaard.dk: no address www.rdalgaard.dk: no address
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rdalgaard.dk	e11ad6ad-c51c-427d-b828-a1be296df153.auth.acme-dns.io
TXT	e11ad6ad-c51c-427d-b828-a1be296df153.auth.acme-dns.io	Bigcd0btSPZshGfgxrJswmM7pTqS56wkGk_SAF78OTU
TXT	e11ad6ad-c51c-427d-b828-a1be296df153.auth.acme-dns.io	gokAcm08BVETg86oxQOEz1JRzhwNj9SfzWfqZFty7Yk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

247ms

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

🏷️ SOA#

89ms

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#

WHOIS fetched 2026-10-14 02:20:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-10-07
Expires	2030-10-31 (1468d)

🔗 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).

Domain	Registrar
evilnet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

136ms

76ms

128ms

AAAA

103ms

TXT

481ms

CAA

118ms

HTTPS

83ms

TLSA

228ms

SOA

89ms

MTA-STS

134ms

DNSSEC

247ms

SRV

152ms

Total

1737ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:29:14 shown	1737ms	4 NS 0 A 5 MX	🔒 Secure
2026-10-02 00:57:40	640ms	4 NS 0 A 5 MX	🔒 Secure
2026-06-17 20:49:37	859ms	4 NS 0 A 5 MX	🔒 Secure