alstrupbyg.dk

Records from scan: 2026-10-23 22:59:22 · 1627ms total · last checked 2026-10-25 06:00 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alstrupbyg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 1 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by alstrupbyg-dk.mail.protection.outlook.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 111ms

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 138ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	alstrupbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca21::c 2a01:111:f403:ca48::12 52.101.103.39 52.101.68.12 52.101.68.27 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 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 217ms

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

📝 TXT Records#

2 records 333ms

TXT Record
google-site-verification=QLs2OMzxajn5IjvViLnWIG6ZqZK9oV1E9crsghtH36g
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

✉️ SPF#

Policy	Record (alstrupbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com -all

📨 DMARC#

Policy	Record (_dmarc.alstrupbyg.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 2026-10-23 22:59:22

www CNAME	alstrup-byg.netlify.app (all on netlify.app) → 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
www vs bare domain	Same network alstrupbyg.dk: 75.2.60.5 (AS16509) www.alstrupbyg.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

323ms

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

🏷️ SOA#

73ms

Field	Value
Serial	2026102102
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 2026-10-23 23:29:30

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-01
Expires	2026-12-31 (66d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

111ms

138ms

144ms

AAAA

144ms

TXT

333ms

CAA

138ms

HTTPS

138ms

TLSA

303ms

SOA

73ms

MTA-STS

196ms

DNSSEC

323ms

SRV

217ms

Total

1627ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 22:59:22 shown	1627ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-12 21:57:09	1036ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-07 17:24:52	959ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 14:04:53	1248ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:51:51	1105ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 09:09:27	1093ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-19 15:57:04	17298ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:00:38	1614ms	3 NS 1 A 1 MX	🔒 Secure