dasu.dk

📜 Historical scan 2026-09-12 15:50:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dasu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.169.249.64 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

3 records 100ms

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

🌍 A Records#

1 records 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.169.249.64	86400s	—	AS8075	Microsoft Corporation	52.160.0.0/11	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4025:c01::1a 2a00:1450:4025:c01::1b 2a00:1450:4025:c03::1a 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.99.149.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 201ms

TXT Record
bn4djvdj9q789mc0ldfn5ocltg
google-site-verification=-qaqDOubikWv7aaQKbhniCgk6qzjRPrLBZ-akULEPg8
MS=ms62465090
MS=ms77047329
v=spf1 ip4:193.138.115.106 ip4:193.138.115.240 include:spf.dandomain.dk include:_spf.google.com include:spf.protection.outlook.com include:o._spf.comendo.com include:servers.mcsv.net ~all

✉️ SPF#

Policy	Record (dasu.dk)
~all (soft fail)	v=spf1 ip4:193.138.115.106 ip4:193.138.115.240 include:spf.dandomain.dk include:_spf.google.com include:spf.protection.outlook.com include:o._spf.comendo.com include:servers.mcsv.net ~all

📨 DMARC#

Policy	Record (_dmarc.dasu.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 16:06:45

www	52.169.249.64 (AS8075) (address records, no CNAME)
www vs bare domain	Same network dasu.dk: 52.169.249.64 (AS8075) www.dasu.dk: 52.169.249.64 (AS8075)
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#

2 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
k1	dkim.mcsv.net	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: 11/10 · policy: ~all

error 11 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

173ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091100
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 2026-10-10 13:52:36

Field	Value
Registrar	Simply.com A/S
Registered	1997-11-24
Expires	2027-07-31 (284d)

📋 WHOIS#

⏱️ Lookup Timing#

100ms

120ms

134ms

AAAA

121ms

TXT

201ms

CAA

96ms

HTTPS

113ms

TLSA

155ms

SOA

0ms

MTA-STS

110ms

DNSSEC

173ms

SRV

541ms

Total

1266ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:06:45	504ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-09 14:34:03	1590ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 05:36:08	529ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-04 00:00:46	749ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-22 06:27:38	2431ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-12 15:50:03 shown	1266ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:37:57	627ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:28:27	65535ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:09:54	2457ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:02:01	1963ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:01:28	723ms	3 NS 1 A 1 MX	🔒 Secure