appbyggeren.dk

📜 Historical scan 2026-06-27 11:56:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

appbyggeren.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 11 February 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.246 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 293ms

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#

1 records 196ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.246	3600s	linux333.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

5 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 64.233.161.26	lm-in-x1a.1e100.net lm-in-f26.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.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
5	3600s	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.156.246
🔶 Autoconfig	maildiscover.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 329ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 526ms

TXT Record
google-site-verification=522c-dEUmpnmB8Rnt2i0lnwbr1oOH_EIpA2HEqCKz3k
google-site-verification=SzFAESLT_W-szGFEO4vou8dLuohbSQx00iORssBIWPs
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (appbyggeren.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.appbyggeren.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#

latest probe, not this scan · checked 2026-10-08 08:24:47

www	93.191.156.246 (AS48854) (address records, no CNAME)
www vs bare domain	Same network appbyggeren.dk: 93.191.156.246 (AS48854) www.appbyggeren.dk: 93.191.156.246 (AS48854)
Wildcard	Yes: any name under the zone resolves
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 · ~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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

522ms

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

🏷️ SOA#

320ms

Field	Value
Serial	2025042300
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 22:33:11

Field	Value
Registrar	Simply.com A/S
Registered	2016-02-11
Expires	2027-02-28 (126d)

🔗 Same registrant#

4 domains

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
fletnu.dk	Simply.com A/S
kunnerupkunst.dk	Simply.com A/S
madsmsn.dk	Simply.com A/S
tidenshave.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

293ms

196ms

144ms

AAAA

280ms

TXT

526ms

CAA

205ms

HTTPS

264ms

TLSA

376ms

SOA

320ms

MTA-STS

348ms

DNSSEC

522ms

SRV

329ms

Total

5594ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:24:27	547ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-27 13:36:26	817ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-26 21:58:47	837ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-27 11:56:39 shown	5594ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-23 18:49:03	1168ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:36:19	803ms	4 NS 1 A 5 MX	🔒 Secure