backtobusiness.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	900s	—	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 133ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (backtobusiness.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.backtobusiness.dk)
p=reject	v=DMARC1;p=reject;pct=100;aspf=r;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	4214
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

29ms

MX

40ms

AAAA

47ms

TXT

133ms

CAA

39ms

HTTPS

36ms

TLSA

82ms

SOA

0ms

MTA-STS

46ms

DNSSEC

99ms

SRV

45ms

Total

467ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:33:52	467ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-31 01:55:50	1340ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 21:32:16	390ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 16:22:00	743ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 15:10:43	429ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 14:24:10	1151ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 00:17:49	1569ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 23:19:40	1586ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 22:19:43	1087ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 22:14:28	1112ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 22:10:12	1222ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 20:38:01	2926ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 20:28:19	8610ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 14:30:23	2157ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 03:37:43	2816ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 02:27:05	8735ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 08:46:28	627ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 12:16:38	601ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 06:45:18	560ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 02:19:39	590ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-30 10:14:44	4680ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 18:22:20	2410ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 06:21:10	594ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 05:45:38	2386ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 05:29:28	626ms	2 NS 1 A 0 MX	🔒 Secure	View