fredlundbyg.dk

Records from scan: 2026-09-30 15:37:05 · 741ms total · last checked 2026-10-16 17:40 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fredlundbyg.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 8 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.221 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fredlundbyg-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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
ns2.curanet.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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.221	3600s	vm1212.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fredlundbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::a 2a01:111:f403:ca48::a 2a01:111:f403:ca48::e 52.101.103.143 52.101.68.10 52.101.68.12 52.101.68.25	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00101.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 67ms

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

📝 TXT Records#

2 records 152ms

TXT Record
MS=ms70381173
v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (fredlundbyg.dk)
~all (soft fail)	v=spf1 a mx include:spf.curanet.dk include:web.shared.mysmtp.com include:spf.protection.outlook.com ~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#

checked 2026-10-07 16:51:10

www	185.21.40.221 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fredlundbyg.dk: 185.21.40.221 (AS48854) www.fredlundbyg.dk: 185.21.40.221 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-fredlundbyg-dk._domainkey.fredlundbyg.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-fredlundbyg-dk._domainkey.fredlundbyg.onmicrosoft.com	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: 10/10 · policy: ~all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2024021901
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 12:37:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-10-08
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

57ms

43ms

AAAA

62ms

TXT

152ms

CAA

47ms

HTTPS

53ms

TLSA

307ms

SOA

47ms

MTA-STS

46ms

DNSSEC

80ms

SRV

67ms

Total

741ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:37:05 shown	741ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 02:32:49	1095ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 08:57:16	1131ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:22:30	1189ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 14:09:16	993ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 03:42:53	1536ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:21:10	1708ms	2 NS 1 A 1 MX	🔒 Secure