byggefirmaetandersen.dk

Records from scan: 2026-10-26 20:48:24  ·  1402ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byggefirmaetandersen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.103 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx.simply.com and 1 more. 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#

3 records   106ms
NameserverIP addressesPTRASN / 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   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.103 3600s linux91.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —

📧 MX Records#

3 records   97ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx1.onlinemail.io 185.21.42.12 mx1.onlinemail.io AS48854 team.blue Denmark A/S
10 600s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
20 600s mx2.onlinemail.io 46.36.208.16 mx2.onlinemail.io AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover94.231.103.103
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   176ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   312ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (byggefirmaetandersen.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.byggefirmaetandersen.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-26 20:48:24
www94.231.103.103 (AS48854) (address records, no CNAME)
www vs bare domainSame network
byggefirmaetandersen.dk: 94.231.103.103 (AS48854)
www.byggefirmaetandersen.dk: 94.231.103.103 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   258ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

228ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

86ms
FieldValue
Serial2026102601
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-22 07:35:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2007-03-08
Expires2027-03-31 (155d)

🔗 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
ekkelundbolig.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
106ms
A
99ms
MX
97ms
AAAA
79ms
TXT
312ms
CAA
97ms
HTTPS
87ms
TLSA
258ms
SOA
86ms
MTA-STS
142ms
DNSSEC
228ms
SRV
176ms
Total
1402ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-26 20:48:24 shown 1402ms 3 NS 1 A 3 MX 🔓 Insecure
2026-10-22 06:55:38 1021ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-15 05:22:53 1269ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-08 17:13:25 1069ms 5 NS 1 A 3 MX 🔓 Insecure
2026-10-01 12:33:40 1210ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-24 11:28:56 937ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-18 01:16:30 1162ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-11 10:19:32 848ms 5 NS 1 A 3 MX 🔓 Insecure
2026-09-09 00:38:16 977ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-27 07:55:16 887ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-20 06:41:24 6848ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-13 14:21:39 4501ms 5 NS 1 A 3 MX 🔓 Insecure
2026-08-06 08:49:56 1222ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-31 22:43:27 1080ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-23 12:56:25 1439ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-17 14:22:54 986ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-10 12:20:35 8775ms 5 NS 1 A 3 MX 🔓 Insecure
2026-07-03 17:39:19 2768ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-25 23:20:22 1178ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-18 19:42:18 4180ms 5 NS 1 A 3 MX 🔓 Insecure
2026-06-16 18:10:35 807ms 5 NS 1 A 3 MX 🔓 Insecure
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