struct.dk DNS records

🖥️ Nameservers4 records 37ms

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 Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.144.99.197	913s	—	AS8075	Microsoft Corporation	51.144.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records5 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1394s	aspmx.l.google.com	173.194.222.26 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a	lo-in-f26.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	1394s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1394s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	1394s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1394s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.121.174.26
🔶 Autoconfig	185.121.174.26

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 56ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 154ms

TXT Record
google-site-verification=JV0j0kfvArc1A94w6qLkXqmcNzYu8igdvTljLpSgN5c
MS=ms92582128
slack-domain-verification=0Z5uMHhloLL4Dg6iPg0sbOhaMStk4sHbISV2cKNw
v=spf1 include:_spf.google.com include:servers.mcsv.net ~all

✉️ SPF

Policy	Record (struct.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:servers.mcsv.net ~all

📨 DMARC

Policy	Record (_dmarc.struct.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

🔗 TLSA / DANE

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

🔐 DNSSEC67ms

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

🏷️ SOA0ms

Field	Value
Serial	2025030201
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

34ms

MX

33ms

AAAA

38ms

TXT

154ms

CAA

49ms

HTTPS

36ms

TLSA

104ms

SOA

0ms

MTA-STS

54ms

DNSSEC

67ms

SRV

56ms

Total

660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 15:40:59	660ms	4 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 13:09:03	3134ms	4 NS 1 A 5 MX	🔒 Secure	View