discountbyg.dk

📜 Historical scan 2026-09-25 22:01:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

discountbyg.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.85.63 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by discountbyg-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
curns02.dnsadmin.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.188.85.63	3600s	iisdcb-p01.windowscloudservices.com	AS47292	Sentia Denmark A/S	89.188.80.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	discountbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca48::10 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.39 52.101.185.21 52.101.209.31 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.24
🔶 Autoconfig	89.188.85.63

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 53ms

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

📝 TXT Records#

2 records 136ms

TXT Record
MS=ms69730584
v=spf1 mx a a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk ip4:195.41.178.0/24 ip4:94.231.103.147 ip4:104.155.87.96 ip4:89.188.85.63/32 include:spf.protection.outlook.com include:spf.idsolutions.dk -all

✉️ SPF#

Policy	Record (discountbyg.dk)
-all (hard fail)	v=spf1 mx a a:mx1-sg.systemgruppen.dk a:mx2-sg.systemgruppen.dk ip4:195.41.178.0/24 ip4:94.231.103.147 ip4:104.155.87.96 ip4:89.188.85.63/32 include:spf.protection.outlook.com include:spf.idsolutions.dk -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-24 16:43:10

www	89.188.85.63 (AS47292) (address records, no CNAME)
www vs bare domain	Same network discountbyg.dk: 89.188.85.63 (AS47292) www.discountbyg.dk: 89.188.85.63 (AS47292)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

31ms

30ms

36ms

AAAA

38ms

TXT

136ms

CAA

38ms

HTTPS

44ms

TLSA

379ms

SOA

0ms

MTA-STS

53ms

DNSSEC

79ms

SRV

53ms

Total

867ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 16:43:10	993ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:37:28	1043ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 22:01:38 shown	867ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 14:55:19	1316ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 11:52:28	1143ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 18:14:55	1340ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 04:16:30	1044ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 05:20:22	4067ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:35:33	888ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 03:21:06	818ms	2 NS 1 A 1 MX	🔒 Secure